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Peformer LB 351 4V intake on 2V Heads
#1
Hello everyone.

I was wondering if someone could tell me if the Edelbrock Peformer LB 351 4V intake would work on 2V Heads? I know they make a 2v version but I've found a used intake in good shape but it's the 4v version. I looked on Edlebrocks site and couldn't find a good yes or no answer.

If it would work what would I be losing by not buying the 2v version?

Any advice is appreciated.
Thanks
Taylor
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#2
For one the ports are entirely different sizes. To try to epoxy fill them or port stuff them would prob cost more than the correct intake. IMO
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#3
I have a 2v version that I will not be using if you want it. Make me an offer Big Grin
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#4
bad idea the ports are Huge on the V4 it will cause a restriction going into the V2 and disrupt the fuel/air mixture.
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#5
The 4v performer intake ports are about the same size as the 2v heads and a good bit smaller than a 4v head. Get a gasket and put it up to the intake and see how they fit. I had a 4v performer intake that I wanted to put on a 2v motor, but I was going to port the heads to fit. I built a 2v aussie headed motor for a dirt track racer and we used a 4v torker intake and put moroso a&b epoxy in the ports, worked good and easy to use.
Andy
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#6
C_andy460;27502 Wrote:The 4v performer intake ports are about the same size as the 2v heads and a good bit smaller than a 4v head. Get a gasket and put it up to the intake and see how they fit. I had a 4v performer intake that I wanted to put on a 2v motor, but I was going to port the heads to fit.
Andy

goodpost
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#7
It should bolt on but the problem you will have is the change in port size is going to cause some weird turbulence issues.

You would be better off going with a 2v version of the manifold (or get some 4v cc heads and some headers and call it good...Wink ). That's how you can turn a good deal into an expensive upgrade...

'Mike'
73 Convertible - 351C/4V CC heads/4bolt/forged flat tops/comp 270/rhodes/mallory unilite/tri-power/hookers/glasspacks/c6/3.50 limited slip/Gear Vendors/Global West sub frames, strut rods and shelby style traction bars/ Rear sway bar/tilt steering (not original)

Pics of modifications included in:
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#8
will e;27505 Wrote:It should bolt on but the problem you will have is the change in port size is going to cause some weird turbulence issues.

You would be better off going with a 2v version of the manifold (or get some 4v cc heads and some headers and call it good...Wink ). That's how you can turn a good deal into an expensive upgrade...

hahahaha X2

Eric


[Image: a58hgh.jpg]
DRIVE IT DON'T STORE IT!
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#9
Thanks everyone for the replies. I kind of figured it wouldnt work but thought I would ask. However it sounds like downwardspiral might make me a deal...

Thanks again.

Taylor
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#10
The guy I bought my Mach 1 parts car ran a stock cast iron 4V intake on ported 2V heads. I shook my head when I saw that.
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