"big" small block exhaust manifolds - Team Camaro Tech
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post #1 of 3 (permalink) Old Jan 23rd, 09, 09:05 PM Thread Starter
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jerry
 
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"big" small block exhaust manifolds

what pt. # manifolds can i use on my 67 327/275? i think corvette had 2 1/2" manif. exits. will exh. pipes be a problem? any info will be appreciated. have 2 1/2" flowmaster crossflow muffler on now.
thanks
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post #2 of 3 (permalink) Old Jan 23rd, 09, 09:11 PM
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Re: "big" small block exhaust manifolds

From all accounts I've read, the corvette 2.5" "Rams Horn" exhaust manifolds won't work -- they dump the exhaust right into the crossmember (but they flow really good...)
I think Sanderson makes some cast manifolds/headers that might work, but last time I was looking at them, I thought they were pretty pricey. I haven't looked in quite some time tho.
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post #3 of 3 (permalink) Old Jan 25th, 09, 12:02 AM
 
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Re: "big" small block exhaust manifolds

Guys are looking into the cast-iron, but tubed-cast early '90's exhaust manifolds off the Camaros.

And also look into the SS piped tubed manifolds off of 350 engine Crew-Cab 1-ton, long-bed trucks!! Trucks like the state hwy dept use!

I figure a big boneyard will sell a pair of trucks cheap if you take them off.

pdq67



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