351 Windsor performance upgrade
Elder User
Joined: Mar 2013
Posts: 847
Likes: 4
From: In my house..
Hey guys,
I've just got a 351w out of a 89 to replace the 302 in my 85 F150. Wanna do a few things to it before I put it in the truck cuz I'm trying to turn my truck into a street rod. It's got GT40 iron heads, edelbrock performer intake manifold and 750 cfm carb. Please shoot me with some good idea to do with the motor!
Thanks!
I've just got a 351w out of a 89 to replace the 302 in my 85 F150. Wanna do a few things to it before I put it in the truck cuz I'm trying to turn my truck into a street rod. It's got GT40 iron heads, edelbrock performer intake manifold and 750 cfm carb. Please shoot me with some good idea to do with the motor!
Thanks!
Hotshot
Joined: May 2003
Posts: 11,141
Likes: 25
From: south louisiana
He WAS right and you ARE wrong. The E5 heads are exactly like the E7's. Zero difference between the two. The only difference between 351 and 302 heads after 1977 is the size of the head bolt holes.
Hotshot
Joined: May 2003
Posts: 11,141
Likes: 25
From: south louisiana
The answer is no. The power will be the same (assuming it's a post 1977 engine or heads) or less (assuming the 351W has heads that predate 1976)
Postmaster
Joined: May 2008
Posts: 2,703
Likes: 3
From: La Vergne, TN
take your own advice and shutup till you've torn down a few 302s and 351's..
Elder User
Joined: Mar 2013
Posts: 847
Likes: 4
From: In my house..
amazing, you just pointed out the one difference between the 2 heads, so i ask you gain how are they identical, it's obvious you don't like me (the feelings mutual) and are only here to prove me wrong or at least try.. i bid you adieu..
Hotshot
Joined: May 2003
Posts: 11,141
Likes: 25
From: south louisiana
It can depending on the difference in combustion chamber size between the two heads and any differences in flow numbers, you have to put the heads next to each on paper and list the differences in intake runner cfm, I/E flow ratio, CC size, valve diameter, all these factors come into play but i believe the 351 has E7 heads on it and are most likely superior to any E5 stock heads built on a small displacement 302, the 351 heads will have bigger valves and bigger intake/exhaust runners than a 302 so it doesn't seem like a good idea to swap 302 heads onto a 351 UNLESS they are proven to flow better numbers than the 351 heads, there is no other single modification you can make to an engine to gain more horsepower and torque than replacing the cylinder heads but you have to know what you're doing and combine the heads with a camshaft designed to complement the I/E flow ratio... good luck my friend..
New User
Joined: May 2013
Posts: 6
Likes: 0
I have a 1984 ford bronco and the battery was hooked up wrong and the selenoid started smoking. Everytime I moved it I would gain power back to everything but now I started it and I ran it for like 5 minutes. And shut it off. But now I have no power to nothing at all. I replaced the starter selenoid and one of my fusible links broke but I splined a new one onto it and I STILL don't have any power to anything.
Can anyone help me? Please
Can anyone help me? Please
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Hotshot
Joined: May 2003
Posts: 11,141
Likes: 25
From: south louisiana
Alternator, computer, anything in the truck that's got circuitry inside it. Not to mention the radio too.
New User
Joined: May 2013
Posts: 6
Likes: 0
Is that what happened to you roadrash? I have power to everything except the things in the cab. I tested my battery and I had 28.6 to the battery and the solenoid. I turned the ignition on and I tested some of my switches and I got 28.5 to them. But still no power to the lights or anything on the inside. I got told it could be the ignition it's self but that doesn't explain why I don't have any power to like my dome light and windshield wipers
FTE Legend
Joined: Jun 2006
Posts: 31,930
Likes: 1,499
From: Ottawa, Ontario
Some info to chew on concerning the cylinder head "discussion", if you notice there are two E5 versions one with an E7 sized combustion chamber(E5TE) and one is a smog head with monster chambers the E5AE
FordHeads | Flickr - Photo Sharing!@@AMEPARAM@@http://farm4.staticflickr.com/3048/2349350691_b48f448e3d_m.jpg@@AMEPARAM@@2349350691@@AMEPARAM@@b48f448e3d
If nothing else this should demonstrate that it's often fruitless to make any definitive statement about ford components.. just when you think you have nailed down all the versions you find out about another one.
FordHeads | Flickr - Photo Sharing!@@AMEPARAM@@http://farm4.staticflickr.com/3048/2349350691_b48f448e3d_m.jpg@@AMEPARAM@@2349350691@@AMEPARAM@@b48f448e3dIf nothing else this should demonstrate that it's often fruitless to make any definitive statement about ford components.. just when you think you have nailed down all the versions you find out about another one.
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