Ford 351W Serial Number3/30/2021
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Ford 351W Serial Numbers Question InLog in to Reply No Email 10-11-2007 10:21:49 Report to Moderator Re: 351 Windsor serial numbers question in reply to jp88, 10-11-2007 07:14:32 The 351M and the 400M heads will not fir the 351C, they are BIG block engines and the 351C is a small block.If you want to build the compresson up and get some horses out of it find a set of 262 V8 heads and use, They were used in teh early to late 60s Log in to Reply No Email 10-12-2007 10:27:21 Report to Moderator Re: 351 Windsor serial numbers question in reply to molinebob, 10-11-2007 10:21:49 351M400s are a reworked 351C with more deck height, they are technically smallblocks although the vast majority of them have a big block transmission bell housing boltpattern.The Boss 302 was a 302 with 351C heads, and 2 barrel 351C heads are a popular swap to 351M400 engines. Log in to Reply No Email 10-11-2007 10:17:42 Report to Moderator Re: 351 Windsor serial numbers question in reply to jp88, 10-11-2007 07:14:32 351 windsor is a good engine. Ford 351W Code Of 5B13Good Luck on your quest 10-11-2007 08:20:46 Report to Moderator Re: 351 Windsor serial numbers question in reply to jp88, 10-11-2007 07:14:32 IMHO, the casting date code of 5B13, along with the first two digits of the casting number (D4-first used in 1974), would be 1975, February 13TH (Thursday). Ford 351W Full Size Car LineThe third character, A, refers to the Galaxie or full size car line. The next 4 digits further identify the engine. So, now you know its birthday Somebody else is going to have to tell you if its a desirable engine, or not 10-11-2007 09:55:13 Report to Moderator Re: 351 Windsor serial numbers question in reply to Bob, 10-11-2007 08:20:46 Thanks guys.We have a 79 F100 that would be a canadate for this engine.Now it has a tired 302 in it.I have heard of M block heads off a 351M400 fitting on a 302 making a(Boss maybe)strong runner but would these heads work on the WindsorIf they would bolt on is there an intake that is made to fit this comboThanks again guys. Log in to Reply No Email 10-11-2007 20:14:39 Report to Moderator Re: 351 Windsor serial numbers question in reply to jp88, 10-11-2007 09:55:13 There are some confliting opinions here. Nothing from any non-Winsor or Cleveland engine can swap onto it. Nearly any of the Windsor heads will work on the 351W, some better than others. If you have a good set of heads with the 351, just rebuild them. Cleveland heads can work, but are not a direct bolt-on. C, 351M and 400s are all in the same 335 engine family, and are technically small blocks, but some call them mid-blocks or big small-blocks. I have a book detailing all this, but I cant think of th ename of it right now. Ill try to find it tomorrow. Report to Moderator Re: 351 Windsor serial numbers question in reply to jp88, 10-11-2007 09:55:13 To avoid troubles you need a set of heads off a Windsor style block. The cheapest move is to get a set of the LATER Explorer 5.0 heads. These are improved versions of the GT40 heads that have the spark plugs angled for superior burn (more power and lower emissions) and being cast iron are pretty cheap. Log in to Reply No Email 10-12-2007 10:29:08 Report to Moderator Re: 351 Windsor serial numbers question in reply to John P., 10-11-2007 18:23:36 Early 351W heads also flow well and still have decent compression, by 75 they had already started lowering it for emisions. Log in to Reply No Email 10-12-2007 11:43:24 Report to Moderator Re: 351 Windsor serial numbers question in reply to 02XLT4X4, 10-12-2007 10:29:08 The best old 351W heads were the 1969 style. They flowed (.500 valve lift) 183CFM on the intake and 118CFM on the exhaust side vs. The GT40P heads flow 196CFM on the intake and 139CFM on the exhaust, which is actually better than the original 1993 Mustang Cobra heads which flowed 192CFM intake and 128CFM on their exhaust. Report to Moderator Re: 351 Windsor serial numbers question in reply to John P., 10-11-2007 18:23:36 Just to clarify the above, these heads can be identified by the GT40P casting number (late 1997-2000) Log in to Reply No Email TRACTOR PARTS TRACTOR MANUALS Fast Shipping Most of our stocked parts ship within 24 hours (M-Th). We have the parts you need to repair your tractor - the right parts. Our fast shipping, low prices and years of research make us your best choice when you need parts. Shop Online Today. About Us Home Forums Copyright 1997-2019 Yesterdays Tractor Co.
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