351c 2V headers on 4V heads |
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72sport
Senior Member Joined: 22-October-2006 Location: Wisconsin Status: Offline Points: 614 |
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Posted: 04-September-2014 at 9:12AM |
I had a little problem with my 4V manifolds today. The shop that I had pull the studs out broke 2 of them off in the manifold. 1 in each manifold. They were really rusty, so I don't blame them. They want $100 to drill and tap them. I have a really nice new pair of ceramic coated FPA headers for this application. Unfortunately they are for 2V heads. I was trying to sell them, but now I'm wondering if I should just use them. Has anybody run 2V headers on 4V heads. I held 4V gaskets up to the headers and they should seal. If you did was there any weird problems with doing that.
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Tom
1972 Gran Torino Sport 4Spd 1974 Montego wagon "GT" with GT hood, correct buckets seats, console, and floor shift 2013 Focus 5 speed- Daily driver |
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Rockatansky
Senior Member Joined: 30-July-2010 Location: On The Road Status: Offline Points: 6059 |
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2V headers are probably better than 4v manifolds overall, the mismatch at the flange would be a significant issue in a Max Effort application but on a driver I doubt you'd ever notice
do you have a welder? can you get the tip/nozzle on the broken off bolts from underneath? I have good luck adding material to the broken end until I can get a grip or pliers on it, the heat from the welding goes into the stub & it'll turn out. sometimes it takes a couple tries or more but hey what else ya gonna do... and it works eventually now that I think about it, my first Torino & first Cleveland I did run 2V manifolds on 4V heads when I first swapped the heads on & before I got headers. it ran great like that
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72 GT Ute
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75GranMan
Senior Member Joined: 05-April-2011 Location: Colchester, CT Status: Offline Points: 1225 |
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I have set of 73 351CJ 4V manifolds that I would part with. I wish I had known you were trying to sell the FPA's. I had purchased a set for my aussie heads!
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John 75Gran Torino 4spd
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