Ford 400m crankshaft

Shaving 0.010" will increase the compression ratio by approximately 2.3%. So, if your stock 400M has 8.5 to 1 CR, it will now have approximately 8.7 to 1 CR. About the most material you can reasonably remove from your stock 351M/400 heads is 0.025", which would increase your CR by approximately 5.75% which would give a 400 a CR of 8.98875.

Ford 400m crankshaft. This video is the first in a series of videos were I rebuild a Ford 400 engine out of my Ford F-350. In this video I inspect the engine and try to determine ...

Will a 400M crank shaft fit a 351W and work with the right rod & pistons to make a 408 stroker? It's been done before but it's not done any longer because of the aftermarket cranks that are available now. The 400 crank weighs 13lbs more than the Cleveland crank. The counterweights are massive and have to be cut way down to fit a …

RaceTec, AutoTec Forged Pistons, Ford SB 400, Flat Top, 4.030" Bore, 4.000" Stroke, 6.580" Rod, Set of 8 Item Number: RTP1000773 Be the first to review this itemThis video is the first in a series of videos were I rebuild a Ford 400 engine out of my Ford F-350. In this video I inspect the engine and try to determine ...The members in these forums are very knowledgeable about these engines; they will eagerly help you…with your question. If you have a minute check out the Guidelines, it will help you to navigate through FTE. well the first problem with what you want to do is the 351c uses 2.5" mains, and the 400 uses a 3" main.Ford 351M-400 3-Groove Crankshaft Pulley Kit. Includes pulley and hardware. Three grooves for accessories; Made from solid 6061 aluminum; Black hard coated ... Scat Forged Standard Weight Crankshafts 4-351C-4000-6200. Crankshaft, Internal Balance, Forged 4340 Steel, 4.000 in. Stroke, Ford, 351W, Cleveland Mains, Each. Part Number: SCA-4351C50. Not Yet Reviewed. Estimated Ship Date: Jun 10, 2024 (if ordered today) Drop Ship. Free Shipping. Special Order. Add To Cart.

Details. This MABBCO crankshaft kit is for a Ford 351M 5.8, model years 1975-1982. This crankshaft is identifiable by its #1K, #1KA, or #8M crank casting ...May 19, 2010 · Scat Crankshafts 9-351-400-6000-2100W Cast Steel Crankshaft for Small Block Ford . Brand: Scat Crankshafts. Search this page . $392.99 $ 392. 99. Delivery & Support 400M stroker 434 tmeyer kit questions. by seefour » Tue Nov 18, 2008 2:21 am. I have a friend who races a 56 ford pick up with a 400 M stroker motor, he has been running offset ground 400M cast cranks and has broken two in a row turning under 6500 rpm. the truck runs 7.40's on pump gas. I did a search on the net and the only stroker kit …Cleveland mains are much smaller than 351W,M, & 400. 351W and 400 bearings are different. 351M/400 and 351C use the same rod bearings. As for putting a W crank in a 351M/400, you can do it, I did it. I run an Eagle 4" stroker crank for a 351W with 400 bearings. I do believe TMI uses an Eagle 351W stroker blank for their 434ci stroker kits ...335 Series- 5.8/351M, 6.6/400, 351 Cleveland - 351m vs 400 - Is the 400 any better than the 351m? Does it share all the same problems? Poor oiling, cracking blocks, crappy crank as in the metal not being hard enough.How to Choose Crankshafts for Your Small-Block Ford Rebuild- Covers 221, 260, 289, 302, Boss 302, 351W, 351C, 351M, and 400M Small Block Ford Engines.Manufacturer Part Number: 64550. Crankshaft Pulley, Cast, double groove, 4 bolt dampeners, Ford 351-400 Cleveland, boss 302. Crankshaft Pulley. PULLEY, CRANK, FORD. Extra-deep belt grooves provide added belt retention during rapid changes in engine RPM. See details Moroso 64550 Crankshaft Pulley V-Belt 2 Groove 4.000 in Diameter …Find FORD 6.6L/400 Ford Modified Crankshafts and get Free Shipping on Orders Over $109 at Summit Racing! ... Crankshaft, 3/16 in. Width, 1.750 in. Length, Ford, Pair.

335 Series- 5.8/351M, 6.6/400, 351 Cleveland - 351M / 400 Oil Slinger - I now there is supposed to be an oil slinger installed on the crankshaft just in front of the timing sprocket; does it direct oil to the sprocket & chain somehow?351M/400 Stroker kit includes: 4.350″ Stroke, 4340 Forged crankshaft. 6.800″ length, Forged H-beam rods W/ 7/16 ARP 2000 bolts (Exclusive Centralign design) Custom forged CP-Bullet flat top pistons. King …Timing Chain and Gear Set, Performer-Link, Double Roller, Iron/Steel Sprockets, Ford, 351C/351M/400M, Set. Part Number: EDL-7821 4.43 out of 5 stars335 Series- 5.8/351M, 6.6/400, 351 Cleveland - 351W into the 400M? - So this might have been asked before *is there a way to use a 351 W stroker crank in a 400 M? I was told that the 400 was used in the 351 W as a stroker. I have found a crank that has a stroke of 4.250 for the 351W. So is it feasible?

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Ford 400m Crankshaft 5MAB. ... item 4 73-79 Ford 351m/400m Cleveland 351c OEM Harmonic Balancer 73-79 Ford 351m/400m Cleveland 351c OEM Harmonic Balancer. $30.00. 1 Jun 2015 ... ... ford f150 4 by that needs better then a 400m ... The 351W gets stroked a half-inch by fitting the block with a 400M crankshaft (the 400M is a tall ...Description. The 2347 is a hyper-eutectic piston with a .975″ wrist pin (press fit) and will replace the original 400 Ford piston and uses the same connecting rod.. Pistons have a 13.3cc step dish and will yield about 9.3:1 Compression ratio based on a 76cc combustion chamber. 1.710″ Compression height will give a near perfect “0” deck ...351M crank pulley. I finally got it off!!! The damper is actually warped. That might be why I had to replace the mains. I was in the scrape yard looking for a damper and found a 400M from a 79 truck and bought it for $150. It actually runs. Thinking about rebuilding it and leaving the 351M in the truck alone.First I would check all the bearing bores with the bolts oiled and torqued. If the bores have taper, out of round, out of size specs, then you will know you need machine work done first. Don't forget to check the crank for runout. Thank you very much! 351c camshaft choice. 335 Series- 5.8/351M, 6.6/400, 351 Cleveland - 400 main and con rod ...Each kit is custom assembled using parts based on your engine’s requirements. Accordingly, we need to know the following: (1) model & year, (2) piston & ring size, and (3) rod & main bearing size. Have questions on parts or sizes, just give us a call, we are available Monday through Friday 8am - 5pm and Saturday 8am - noon, CST, at 903-597-2441.

14 Apr 2006 ... hope to clean and paint the frame too. But i ran into 3 problems. - anyone got a part number for the flywheel to crank bolts for a 351m/400m - ...FORD > 1978 > F-150 > 6.6L 400cid V8 > Engine > Crankshaft. ... ENGINETECH 156300 Includes Connecting Rod Bearings & Crankshaft Main Bearings; Reman Info . Includes ... Find FORD Engine Rotating Kits 4.9L/300 Actual Engine Displacement, Forged 4340 steel Crankshaft Material and get Free Shipping on Orders Over $109 at Summit Racing! 335 Series- 5.8/351M, 6.6/400, 351 Cleveland - 400M Pistons and crank and others - Hey guys, I have been doing some looking and thinking, the badger pistons are cast right? well wouldent a hypereutectic piston be better suited for a mild performance engine? don't lie I know some guys out there like to go out there and...6 Sept 2004 ... Stroker kits giving 434 cu i, and talk of designing cranks to achieve 459 cu i! I have a single plane Holley Street Dominator for the 400 on ...Ford 400m crankshaft for sale Scat, 9000 series cast steel stroker lightweight crankshaft, ford sb Ford racing crankshaft. SCAT 9-351-400-6200-2100W Crankshaft - 4.000 Stroke; For Ford Small. Crankshaft 6l truck ford st fits remachined mains rods Crankshaft sbc chevy forged 2pc steel 1026 Probe industries.So Ford in their infinite wisdom, put a 351W crankshaft in the 400 block, and the 351M was born. It may have been “ok” for that era, otherwise that M stands for “Marine-Anchor”. A 400 crank can be (and was a lot) used in a 351W block to build a lightweight 408 from junkyard parts.Doing a 408 conversion and need to know if I need a new crank. The "M" has a shorter stroke. I was told a while back that to use 400 pistons you have to use 400 rods because of the lengths between the 351M and 400 were different. But the same crank could be used as long as you change the pistons and rods. The rods are the same.

Small Block Ford Crankshaft Identification Table. Part Number Application Specifications; 1M: ... 71 400M: 4.00 Stroke: C3AE-N: 63+ 289: 2.87 Stroke: C9ZE-6303-A: 69 ...

I dont know about cheaper, since my build up cost me around 1500. w/ machine work. I took the 400 stretched it out to 427 go w/ 4.030 overbore. 4.180 stroke on the crank offset ground. 240 6 cyl rods custom pistons, dont know the cost of em today but in 96 I gave 488. for custom Ross racing pistons, like 80 pins, think the total was 530. on …Crankshaft Bearings. The 351C crankshaft has smaller main bearing journals than the M-block crankshaft. Therefore, crankshaft main bearings are unique to …Front Crankshaft Seal For 11-19 Ford F350 Super Duty F250 F450 F550 6.7L ZS31T4 (For: Ford)Feb 28, 2002 · 400 Crank into a 351C Block. Gents, I searched through the posts and found an awful lot of conflict on what I thought would be a simple question/issue. I have a complete 351C that I want to stroke. I want to use a crank out of a 400. I want to reuse my 5.78" Cleveland rods. I realize I would need to have the mains turned down to 2.75. Cheaper anymore to buy a 408 kit. If you want budget, 393 stroker crank, 351W rods, and 302 pistons= 393 windsor. Fun is fun, and done is done! I was reading in this small block ford book last night and i found where the writer said using a 351w block, 400m crank with the main journals ground to fit the 351w block, chrysler 360 rods with …Dec 14, 2007 · 335 Series- 5.8/351M, 6.6/400, 351 Cleveland - 351M / 400 Oil Slinger - I now there is supposed to be an oil slinger installed on the crankshaft just in front of the timing sprocket; does it direct oil to the sprocket & chain somehow? So Ford in their infinite wisdom, put a 351W crankshaft in the 400 block, and the 351M was born. It may have been “ok” for that era, otherwise that M stands for “Marine-Anchor”. A 400 crank can be (and was a lot) used in a 351W block to build a lightweight 408 from junkyard parts.The alternator on your Ford is an electrical generator that recharges the battery while the car is on to power the ignition and electrical systems. When the alternator fails, the v...

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May 13, 2010 · For a $45 timing set and a few gaskets you can't go wrong. And compression is not the only thing affected. With the valve and ignition timing advanced you are in a more favorable position with the crankshaft. Your burn will match the piston's travel a little better so the expanding gases are put to better use. Main Bearings, P Series, 1/2 Groove, .020 in. Crankshaft Undersize, Tri Metal, Ford, 351M, 351W, 400, Set of 5 Part Number: CLE-MS1432P20 4.0 out of 5 stars ( 4 )Ford 351M-400 3-Groove Crankshaft Pulley Kit. Includes pulley and hardware. Three grooves for accessories. Made from solid 6061 aluminum. Black hard coated finish. Matches OEM offsets and diameters. Includes mounting hardware. CNC machined for precision and balance. Based on D0AE-6312-C3.A couple examples: 351W cranks will not it in an 8.2 deck block (base for 331, 342, 347, 357 and now 363 strokers) and the 393 does not use a 4″ stroke crank from a 400M engine but an aftermarket 3.85″ stroke unit …RaceTec, AutoTec Forged Pistons, Ford SB 400, Flat Top, 4.030" Bore, 4.000" Stroke, 6.580" Rod, Set of 8 Item Number: RTP1000773 Be the first to review this itemThe shoulder on the nose of the crank (where the back of the cam sproket sits) is cut back 0.400" , additional keyway is cut and small block chev key is used , nose of the crank is machined to 2.875" ,the tail oil slinger is cut to 4.062" diameter , all the counterweights are turned down in a lathe to 1.90" from the face of the main bearing ... This made it cheaper for Ford to produce two displacements using one block casting. One thing the 351C, 351M, and 400M have in common is that they used a cast-iron crankshaft in all applications. can be stroked to 400 ci by installing a 400M crank. The 351C can be stroked by modifying and installing a 400M crankshaft. The rest are consecutive production numbers, giving your car it's identity. 335 Series- 5.8/351M, 6.6/400, 351 Cleveland - 351m to 400 crank and pistons - I am rebuiling my 351m pretty soon here. There isn't anything wrong but I am redoing the truck and am pulling the engine. I have read from a lot of people to bore it over and put in 400 ...First I would check all the bearing bores with the bolts oiled and torqued. If the bores have taper, out of round, out of size specs, then you will know you need machine work done first. Don't forget to check the crank for runout. Thank you very much! 351c camshaft choice. 335 Series- 5.8/351M, 6.6/400, 351 Cleveland - 400 main and con rod ...Jul 6, 2006 · 400m crank in 351w with 302 pistons and rods = 392 stroker. An offset cut 400 crank won't have a 2.310 rod journal any more. A 351W rod won't fit. You need an aftermarket, 3.85" crank with a Ford journal to make the 351W rod (5.956&quot / 302 piston (1.605&quot combo a drop-in. 2.00 throw 400 crank. 1.769 351w pistons. The Ford Barn. FordBarn.com; The Forum; Swap; About; Register; Calendar; Community; Today's Posts; Search; FAQ : The Ford Barn > The Swap Meet > Wanted > Late V8: Need a 400M crank ... Got a good friend in need of a 400M crank, pm please Thanks Sponsored Links (Register now to hide all advertisements) ….

So Ford in their infinite wisdom, put a 351W crankshaft in the 400 block, and the 351M was born. It may have been “ok” for that era, otherwise that M stands for “Marine-Anchor”. A 400 crank can be (and was a lot) used in a 351W block to build a lightweight 408 from junkyard parts.Ford 302 351C Cleveland Crankshaft Timing Cog Pulley Spacer. US $26.90 US ... Ford 429 460 4340 Forged Crankshaft ST-4.140 M-3.000 RJ-2.200. US $816.90 US ...The forged flat-top pistons were installed on the stock (reconditioned) rods. Aftermarket rods for the 400M are few and far between since the tall-deck 400 motor requires the use of 6.58-inch rods ...351M crank pulley. I finally got it off!!! The damper is actually warped. That might be why I had to replace the mains. I was in the scrape yard looking for a damper and found a 400M from a 79 truck and bought it for $150. It actually runs. Thinking about rebuilding it and leaving the 351M in the truck alone.In the end, SAM's Ford engine pulled a 2,502.8 score, just a few points behind the Kaase Boss. It came down to the last two competitors, both two-time former Engine Masters Challenge winners-last ...Feb 1, 2009 · In the end, SAM's Ford engine pulled a 2,502.8 score, just a few points behind the Kaase Boss. It came down to the last two competitors, both two-time former Engine Masters Challenge winners-last ... Engine Crankshaft Kits. Crankshaft Supply has been repairing, rebuilding, and remanufacturing crankshafts for over 70 years. Each crankshaft kit is precision machined, inspected, and tested to meet manufacturer specifications and comes with main and rod bearings. We have a large selection and are constantly adding more into stock.Enginetech’s crankshaft kits include our high quality crankshafts along with rod and main bearings. Our reman crankshaft kits go through a strict QC inspection. Each crankshaft casting is handled individually and machined to OE specifications on top of the line equipment to ensure high-quality product. The rod and main journals are measured ... Ford 400m crankshaft, 11 Oct 2021 ... To set the timing on Ford small block and Ford big block engines is simple if you follow these steps. This video covers: 5.0, 5.8, 390, 428, ..., Find FORD 6.6L/400 ARP and get Free Shipping on Orders Over $109 at Summit Racing! Free Mount & Balance for Many Wheel & Tire Packages - Contact us for Details! ... ARP Crank Pulley Bolts 350-6802 Lower Pulley Bolts, Black Oxide 12-Point, Ford, 3/8"-16 Dia, 1.00" UHL, 4 Piece. Part Number: ARP-350-6802., 46 posts · Joined 2015. #10 · Oct 29, 2015. Found it at Five Star Engines in Glendale, AZ. Should have the crank in on Monday. Also got a call back from Cleg Auto and they have 400 Cranks as well. From what i read the small block stroker folks are using the 400 crank to stroke out their 351Ws to 393 and 408s. Rob., The rods listed here have the correct beam offset for the 302, 5.0L, 351W, 351Cand 400 small block Ford engines. Many other places will try to sell you an actual small block chevy based rod and while the big end and pin end may match up dimensionally to your crank an actual Chevy rod does NOT have the correct beam offset to use in your Ford ..., Find FORD 6.6L/400 Ford Modified Crankshafts and get Free Shipping on Orders Over $109 at Summit Racing! Shop the CLEARANCE SALE! ... Crank Adapter Sleeve, 1.375 in. Pilot Dia., Steel, Ford, V8, Fits GM Converters, Each. Part Number: JPT-80002-3. …, May 10, 2006 · Received 14 Likes on 14 Posts. One or the other-- 400M crank or 351W has a shoulder just forward of the #1 main, the other doesn't. That's the only sticking point. Clearancing the block, longer rods and shorter pin height pistons are a must for any stroker project. BroncoRoadKill is also correct about the price. , 24 Jun 2007 ... ... cranks,etc. Click to ... Ford pushrod V8. The real issue is to get ... The 351C revs faster than a 400M, but the 400M has better lower end torque., 400m crank in 351w with 302 pistons and rods = 392 stroker. An offset cut 400 crank won't have a 2.310 rod journal any more. A 351W rod won't fit. You need an aftermarket, 3.85" crank with a Ford journal to make the 351W rod (5.956&quot / 302 piston (1.605&quot combo a drop-in. 2.00 throw 400 crank. 1.769 351w pistons., 335 Series- 5.8/351M, 6.6/400, 351 Cleveland - 400M Pistons and crank and others - Hey guys, I have been doing some looking and thinking, the badger pistons are cast right? well wouldent a hypereutectic piston be better suited for a mild performance engine? don't lie I know some guys out there like to go out there and..., The rest are consecutive production numbers, giving your car it's identity. 335 Series- 5.8/351M, 6.6/400, 351 Cleveland - 351m to 400 crank and pistons - I am rebuiling my 351m pretty soon here. There isn't anything wrong but I am redoing the truck and am pulling the engine. I have read from a lot of people to bore it over and put in 400 ..., Thread Starter. Join Date: Sep 2003. Location: High Dessert. Posts: 22. Likes: 0. Received 0 Likes on 0 Posts. crankshaft thrust bearing problem. I'm building …, Small Block Ford Crankshaft Identification Table. Part Number Application Specifications; 1M: ... 71 400M: 4.00 Stroke: C3AE-N: 63+ 289: 2.87 Stroke: C9ZE-6303-A: 69 ... , Enginetech’s crankshaft kits include our high quality crankshafts along with rod and main bearings. Our reman crankshaft kits go through a strict QC inspection. Each crankshaft casting is handled individually and machined to OE specifications on top of the line equipment to ensure high-quality product. The rod and main journals are measured ..., 1977 351m 400 flywheel dt7e 78 79 4x4 f150 f250 bronco - eBay (item 370496579005 end time Apr-02-11 18:57:31 PDT) Little expensive to me though. Maybe try to find a you pull it type place around you. Yep, I checked that a month or so ago. With the shipping and it still needing resurfaced it is too high., 335 Series- 5.8/351M, 6.6/400, 351 Cleveland - All torque specs for 351M and 400, print this out. - Camshaft sprocket bolt-----40-45 ft.lbs. Camshaft thrust plate bolts---9-12 ft. lbs. Crankshaft damper bolt-----70-90 ft. lbs. Crank pulley bolts-----35-50 ft. lbs. Cylinder head bolts-----step one--75..., The alternator on your Ford is an electrical generator that recharges the battery while the car is on to power the ignition and electrical systems. When the alternator fails, the v..., Doing a 408 conversion and need to know if I need a new crank. The "M" has a shorter stroke. I was told a while back that to use 400 pistons you have to use 400 rods because of the lengths between the 351M and 400 were different. But the same crank could be used as long as you change the pistons and rods. The rods are the same., Other than that it wouldn't really matter to me. 1973 - 1979 F-100 & Larger F-Series Trucks - 400m to 460 swap confusion - I was looking at getting a 460 to swap in place of my 400m. I read through a lot of threads and get kind of lost with all the mismatching of parts that one person says works and another person says doesn`t., 335 Series- 5.8/351M, 6.6/400, 351 Cleveland - 351M / 400 Oil Slinger - I now there is supposed to be an oil slinger installed on the crankshaft just in front of the timing sprocket; does it direct oil to the sprocket & chain somehow?, Piston and Ring Kit with Steel Moly or Chrome Top ring, Ford 400M using stock .975" pin rods, Centered Pin, M42 Coated Skirts, 9.8:1 at .000" deck clearance. KB Hyper Piston - Ford 400M 10cc Dish KB Series Hypereutectic 390 Alloy with 16% Silicon is a High Performance Piston for Marine, Drag, Circle Track and Towng. Fully machined head and ..., No Web on Block Front. Many M-block (351M/400) engine blocks have a 5/8" tall raised web just left of the distributor hole, on the top of the block. However, not all M-blocks have that web, as this photo (and the previous photo) of a 1978 MCC block shows. Some people say you can distinguish an M-block from a 351 Cleveland block by that web., These components do not interchange with anything else, including 351M/400M. The taller-deck 400M V-8 uses a 5M nodular iron crankshaft with a longer 4.000-inch stroke, making it the longest stroke of any Ford V-8 at the time. The 400M’s 4.000-inch stroke is what made it a powerhouse for full-size luxury cars and pickup trucks in the 1970s. , Ford Windsor V8. The Ford 335 engine family was a group of engines built by the Ford Motor Company between 1969 and 1982. The "335" designation reflected Ford management's decision to produce an engine of that size (335 cubic inches) with room for expansion during its development. [1] This engine family began production in late 1969 with a 351 ..., Last. Forum Jump. Big Block V8 - 385 Series (6.1/370, 7.0/429, 7.5/460) - Engine Rotation Direction - Did a leak down compression test tonight. After doing so my engine has a valve or lifter tapping. I rotated the crank by hand counter-clockwise to get to TDC with a compression whistle on each cylinder., Information. Quantity: 2. Genuine Vintage Air Ford 351M-400 3-Groove Crankshaft Pulley Kit - 730020. Ford 351M-400 3-Groove Crankshaft Pulley Kit. Includes pulley and …, This section lists Ford part numbers and casting ID codes for the following internal parts of M-block (351M/400) engines: Camshafts. Cam timing sets. Valve train. Pistons, pins, and connecting rods. Oil pump and pickup tubes. Crankshaft part numbers and casting ID codes are listed in the Cast Iron Parts section., 21011 posts · Joined 2009. #15 · Sep 11, 2013 (Edited) One thing that hurts the 400M is the ~1.1" taller deck height than the 351W. And when you consider using one of the readily available stroker cranks for the 351 (or even the 302) Fords, there's no reason to use the harder-to-package 400M engine., To find out which type of engine your Ford Taurus has, you can pop the hood and search for a label on the engine. You can also identify the engine type with the 17-digit vehicle id..., Ford Truck Enthusiasts Forums; Performance, Engines & Troubleshooting; 335 Series- 5.8/351M, 6.6/400, 351 Cleveland; 400 rear main seal replace in truck??? ... if the fly wheel is bolted to the crank well that will have to come off, but would you have to remove the tran..hummm i think you would. And really if your good at …, Received 14 Likes on 14 Posts. One or the other-- 400M crank or 351W has a shoulder just forward of the #1 main, the other doesn't. That's the only sticking point. Clearancing the block, longer rods and shorter pin height pistons are a must for any stroker project. BroncoRoadKill is also correct about the price., High performance street, strip & race 351 Cleveland Stroker Kit Crankshafts. Best Stroker Crank Kits for Ford 351 Cleveland, 393 & 408. Cast Rotating & Stroker Cranks and Forged Stroker Cranks and Kits. In stock Scat, DRP, Lunati, Callies Crankshafts & H Beam conrods & I Beam conrods in Cast & 4340 Forged stroker., 14 Apr 2006 ... hope to clean and paint the frame too. But i ran into 3 problems. - anyone got a part number for the flywheel to crank bolts for a 351m/400m - ..., The shoulder on the nose of the crank (where the back of the cam sproket sits) is cut back 0.400" , additional keyway is cut and small block chev key is used , nose of the crank is machined to 2.875" ,the tail oil slinger is cut to 4.062" diameter , all the counterweights are turned down in a lathe to 1.90" from the face of the main bearing ...