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Topic Review (Newest First)
07-20-2013 02:22 PM
vinniekq2
good choice

Quote:
Originally Posted by TNnova View Post
vinniekq2,

the ones im looking at have 1 5/8" tubes...
thats a good size for a stock engine
07-20-2013 01:58 PM
TNnova vinniekq2,

the ones im looking at have 1 5/8" tubes...
07-19-2013 08:50 PM
vinniekq2 even the hooker headers usually have 1 3/4 inch primaries,When you buy headers,its like buying an intake,,,buy the correct size for your engine
07-19-2013 08:32 AM
TNnova thanks for the replies guys.. my dad was afraid of this, but I couldn't go wrong with the deal I got... so I can easily get my money back and then some... anyway, I found a set of hookers for sale which will benefit my engine better.....

thanks,
07-19-2013 03:38 AM
astroracer Yea, I googled the 116's and they have a 1.75 dia. head pipe. These are circle track headers and I'm afraid you are going to kill off your lowend when you stick them on a stock 350. 1 1/2 or MAX 1 5/8 tube diameter is what you need.
Sell these things and get the correct sized header for your 350.
And 2 1/4 inch pipes are big enough for your set up.
Mark
07-18-2013 07:35 PM
vinniekq2 If you have 3 1/2 inch collectors??? what size are the primary tubes?
If the engine has the correct headers and make decent power then throw away the 2 1/4 exhaust system.
If the headers are for a big power engine and has big tubes and the engine is stock,then dont use the headers
07-18-2013 07:21 PM
BOBCRMAN@aol.com Just looked at a similar setup today. Use 3 1/2" reducers from header to 2 1/4" e-pipe and cutouts at the junction of reducer and e-pipe. Same size as e-pipe, grafted to and angled out from pipe towards rear. About three inches, with a simple three bolt cap.

Was a very clean looking install on this (Nova)car.
07-18-2013 06:49 PM
TNnova
header installation help

hi guys,

I got a good deal on a set of schoenfeld headers pt #116 for my 1971 nova ss 350. right now there is a very nice dual exhaust system on the car that the previous owner installed, but the car still has the stock manifolds on it. so my question is, the exhaust pipe is 2 1/4" diameter, and my header collector is 3 1/2" diameter. now also I would like to install a plain old exhaust cutout too. so, what would be the best way to go about installing the headers with the 3 1/2" dia. collector to the 2 1/4 exhaust pipe with the cutout? and what size cutout do I need?


thanks

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