1 5/8 headers
Thread Starter
Supreme Member
Joined: Dec 1999
Posts: 1,934
Likes: 1
From: Calgary
Car: 89 Formula
Engine: 350
Transmission: TH 700R4
Axle/Gears: 3.27
1 5/8 headers
Are they ok on a stock or near stock 350 TPI?
The Firehawk had them so that leads me to believe yes.....any thoughts?
The Firehawk had them so that leads me to believe yes.....any thoughts?
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Joined: Oct 2002
Posts: 9,067
Likes: 1
From: Saskatoon, SK, Canada
Car: '83 Z28, '07 Charger SRT8
Engine: 454ci, 6.1 Hemi
Transmission: TH350, A5
Axle/Gears: 2.73 posi, 3.06 posi
Re: 1 5/8 headers
They work just fine on my 400hp carbureted 350.... so yes 
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iTrader: (2)
Joined: Feb 2002
Posts: 1,141
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From: Nashville TN
Car: 1989 Trans Am
Engine: 355 HSR
Transmission: Pro-Built 700r4 w/ 3400 converter
Axle/Gears: 10 bolt w/ 3.42 gears
Re: 1 5/8 headers
Yeah 1 5/8" is fine for a lot of the TPI applications. Depends on what you are looking for in the car.
I've got 1 5/8" LTs on my 355, ported head, bigger cam, HSR engine...
I've got 1 5/8" LTs on my 355, ported head, bigger cam, HSR engine...
Thread Starter
Supreme Member
Joined: Dec 1999
Posts: 1,934
Likes: 1
From: Calgary
Car: 89 Formula
Engine: 350
Transmission: TH 700R4
Axle/Gears: 3.27
Re: 1 5/8 headers
how are these?
http://store.summitracing.com/partde...5&autoview=sku
My buddy has an all stock, low miles, 350 IROC. He'd probably only do exhaust, headers and maybe runners.
http://store.summitracing.com/partde...5&autoview=sku
My buddy has an all stock, low miles, 350 IROC. He'd probably only do exhaust, headers and maybe runners.
Last edited by avro206; Apr 25, 2009 at 11:49 PM.
Joined: Mar 2000
Posts: 43,187
Likes: 43
From: Littleton, CO USA
Car: 82 Berlinetta/57 Bel Air
Engine: L92/LQ4 (both w/4" stroke)
Transmission: 4L80E/4L80E
Axle/Gears: 12B-3.73/9"-3.89
You liked the "off-road" TBI y-pipe/cat eliminator. Is that what you intended to do? If so, don't do that.
Do this - http://store.summitracing.com/partde...5&autoview=sku
Do this - http://store.summitracing.com/partde...5&autoview=sku
Thread Starter
Supreme Member
Joined: Dec 1999
Posts: 1,934
Likes: 1
From: Calgary
Car: 89 Formula
Engine: 350
Transmission: TH 700R4
Axle/Gears: 3.27
Re: 1 5/8 headers
opps...I posted the wrong link....I meant these headers.
http://store.summitracing.com/partde...5&autoview=sku
Senior Member
Joined: Jun 2008
Posts: 1,298
Likes: 2
From: Norfolk VA
Car: 85 Camaro IROC
Engine: 5.7 TPI
Transmission: 700-R4
Axle/Gears: open rear, 3.42 gears
Re: 1 5/8 headers
i dont like the air tubes on my headers.
it makes it damn near impossible to torque down the bolts correctly and sufficiently.
also, they get in the way when doing spark plugs.
i dont have AIR, so i dont know why the prev owner put headers with AIR tubes on...
who knows
my two cents, unless you need them, go without AIR
it makes it damn near impossible to torque down the bolts correctly and sufficiently.
also, they get in the way when doing spark plugs.
i dont have AIR, so i dont know why the prev owner put headers with AIR tubes on...
who knows
my two cents, unless you need them, go without AIR
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