have a 1985 trans am 305 tpi car, i recently put an exhaust from my fathers 4th gen camaro ss on the car. Ive been looking for some used headers for abit now and was wondering if these would be a good deal and what headers are they. He said they were hedmen but didnt know the part number.http://images.craigslist.org/0115070...570c0060cc.jpg 150 seems high to me. Would these work well for me? Any help is greatly appreciated.

 

$150 is cheap, whether US or Canadian.

Can't tell what they are. Did you ask him?

 

i'd buy em. its cheaper than new and made for a thirdgen, so why not.

 

thx guys will call the guy in abit. so would i need like a smog delete pulley in order to use these headers since they dont have air?

 

Deleting the A.I.R. on an '85 is a matter of taking that belt off.

Those headers may be 1-1/2" primary, 2-1/2" y-pipe. Can't tell for sure in the picture (which seems to have disappeared).

 

Hes got a 305, those sizes will be plenty

 

I agree the 1-1/2" primaries are adequate. But, 2-1/2" y-pipe is smaller than stock.

 

well im getting them for 125 going to pick them up today, so do you think that i will notice any difference with the headers, cat removed, and with my 4th gen exhaust. he said he doesnt have the bolts or gaskets, what should i use for the bolts and the gaskets i can get at canadian tire right or any other automotive place.

 

Header bolts and standard port header gaskets. Not sure what collector gaskets, probably 2-1/2" 3-bolt.

They might be a slight improvement, but the small y-pipe is going to become the new restriction if it is only 2-1/2".

 

Get some hedman shorty headers for 170 dollars, brand new off summit

 

now iwas thinking of sticking a pipe through the cat so wouldnt that be the bottleneck not the y-pipe. what size fits in a stock cat, im assuming it is stock as it looks quite old. so you do you think its a good idea to get it then?.

 

Maybe they are Hedmans. Really hard to tell with the small picture.

Try to measure the pipes before you hand over the cash. If the primaries are 1-5/8", they probably are Hedmans. I never liked their y-pipe because it is 2-1/2", but they still are a little better than the factory crimp-bent pipe and "T" before the cat.

 

well thanks for the help, it has been greatly appreciated. Now if i could only get the car to stop leaking fluids..lol. umm would you happen to know which size bolts i will need? as they are headmens.

 

3/8" x 3/4" header bolts typically work just fine. You could go 3/8" x 1".

(For the record, it's "Hedman", and they call their product "hedders". Go figure. . .)

 

lol well too bad spell check didnt auto correct that lol. thx for the help, its been greatly appreciated