351 windsor
FTE Legend
Joined: Jun 2006
Posts: 31,930
Likes: 1,499
From: Ottawa, Ontario
There are no factory 4-bolt engines and all factory rotating assemblies are cast, but the castings and fasteners are very high quality and can support 400-450hp indefinitely. The block itself can also handle upwards of 750hp with a forged and balanced rotating assembly. Heads are the limiting factor with these motors, even with professional CNC porting none of the stock castings will produce more than about 350hp so you'll need something much better to get big HP numbers.
FTE Legend
Joined: Jun 2006
Posts: 31,930
Likes: 1,499
From: Ottawa, Ontario
It has a GT40 topend and a marine cam.
See the first line of my previous reply.
See the first line of my previous reply.
Senior User
Joined: Aug 2010
Posts: 235
Likes: 0
From: Beatrice, NE
The 351 Cleveland was available w/4 bolt main (IIRC) but Windsors (351) weren't. The factory crank is nodular cast iron and very stout for a factory casting. Truck rods had spot faced bolts as opposed to broached like car rods. It's been decades since I've messed w/Windsor SB, so someone correct me if I'm wrong on any of this. I will say however, unlike brand-x, Ford short blocks are pretty high quality in stock form and require little to nothing in terms of work or special parts to support moderate HP levels. No need to rely on 4 bolt mains or steel cranks. The 351W never really got the performance treatment...that was focused more on the Cleveland family.
Senior User
Joined: Aug 2010
Posts: 235
Likes: 0
From: Beatrice, NE
The later 351W blocks were roller cam as well. I heard they were weaker castings but I can't confirm if its true. This sure brings back memories. I need to break out the old books and refresh my memory!
Logistics Pro
Joined: Jul 2009
Posts: 3,635
Likes: 3
From: Lansdale, PA
1969 block had a .020 shorter deck height.
The 72-76 blocks I think are the heavier casting ones.
If you are trying to build an engine with mostly factory parts you can bolt Cleveland heads onto the 351w with a little modification. But need aftermarket intake.
The 351 is a great engine and has lots of potential. 427 CID capability, aftermarket has made every and any part for it including 300+cfm heads for it, and with a main cap girdle there is no need for 4bolt mains.
The 72-76 blocks I think are the heavier casting ones.
If you are trying to build an engine with mostly factory parts you can bolt Cleveland heads onto the 351w with a little modification. But need aftermarket intake.
The 351 is a great engine and has lots of potential. 427 CID capability, aftermarket has made every and any part for it including 300+cfm heads for it, and with a main cap girdle there is no need for 4bolt mains.
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Elder User
Joined: Dec 2007
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From: Wheeling WV area
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Logistics Pro
Joined: Jul 2009
Posts: 3,635
Likes: 3
From: Lansdale, PA
Back to trucks... Id put a mustang style intake on my truck, because you have better upgrades for tb and intake options.
Logistics Pro
Joined: Jul 2009
Posts: 3,635
Likes: 3
From: Lansdale, PA
Lots of people convert to mass air, which is fairly easy.
If you use the mustang fox tb bracket then most everything else is bolt on.
I never got a good run at the drag strip with my turbo 5liter, but on paper it ran nearly a 13flat spinning past the 1/8th mile mark with 225 tires.
No nitrous I raced the low 11sec awd talon I built for a customer, and we were neck and neck til 120mph before I started pulling away.
Car was 400whp with 10psi and then I had 150hp nitrous on top of that.
The 351 started as a 400 crank hp engine, but sadly I've never finished the project.
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