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What headers ?

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Old Jan 1, 2018 | 02:16 PM
  #1  
Harryballs191's Avatar
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From: Port henry Ny
Car: 86 iroc-z
Engine: 305
Transmission: 700 r4
Axle/Gears: Stock
What headers ?

Hey all.
I am looking to put new headers on my 1986 Iroc-z this spring . It is the 305 motor I am just wondering what anyone else is running or suggestions on which ones I should buy. I would like it to be loud as possible . Thanks
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Old Jan 2, 2018 | 08:56 AM
  #2  
midias's Avatar
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From: Henrietta NY
Car: 1984 Trans Am L69
Engine: Sniper EFI Powered 355
Transmission: WC T5 w/ Steel Support Plate
Axle/Gears: 3.42 10 Bolt Posi
Re: What headers ?

Loud as possible would be any open header it will sound like *** and everyone will wonder why the idiot forgot to put an exhaust system on.

The real question you should be asking is what size primary do I need?
What type of Y pipe am I going to buy or fab?
Am I keeping the AIR system?
What future modifications am I doing and will these headers support it?
What environment is the car running and do I need ceramic coated?
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Old Jan 2, 2018 | 12:10 PM
  #3  
Harryballs191's Avatar
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Joined: May 2017
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From: Port henry Ny
Car: 86 iroc-z
Engine: 305
Transmission: 700 r4
Axle/Gears: Stock
Re: What headers ?

Originally Posted by midias
Loud as possible would be any open header it will sound like *** and everyone will wonder why the idiot forgot to put an exhaust system on.

The real question you should be asking is what size primary do I need?
What type of Y pipe am I going to buy or fab?
Am I keeping the AIR system?
What future modifications am I doing and will these headers support it?
What environment is the car running and do I need ceramic coated?
I meant loud as possible while still sounding good . I have a 3 inch pipe from the y and no cat already . I'm in northern NY . im thinking I'd like to get hooker's headers ?
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Old Jan 2, 2018 | 11:21 PM
  #4  
GeneralDisorder's Avatar
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From: Portland, OR
Car: 86 Imponte Ruiner 450GT, 91 Formula
Engine: 350 Vortec, FIRST TPI, 325 RWHP
Transmission: 700R4 3000 stall.
Axle/Gears: 9 Bolt Torsen 3.70
Re: What headers ?

I'm very happy with my Dyno Don headers and y-pipe. I have the flowmaster 3" cat-back, Dyno Don headers, Dyno Don y pipe, and custom cat delete. It's quite loud - it wasn't that loud before the headers but after it's pretty dang loud.

Headers are difficult on these cars - fitment is TIGHT and Dyno Don has the best fitment. There are multiple places where it's 1/4 - 1/8th inch. Virtually all options other than his headers require clearancing due to fitment.

GD

Last edited by GeneralDisorder; Jan 2, 2018 at 11:52 PM.
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Old Jan 2, 2018 | 11:29 PM
  #5  
Harryballs191's Avatar
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Joined: May 2017
Posts: 13
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From: Port henry Ny
Car: 86 iroc-z
Engine: 305
Transmission: 700 r4
Axle/Gears: Stock
Re: What headers ?

Originally Posted by GeneralDisorder
I'm very happy with my Dyno Don headers and y-pipe. I have the flowmaster 3" cat-back, Dyno Don headers, Dyno Don y pipe, and custom cat delete. It's quite loud z it wasn't that loud before the headers but after it's pretty dang loud.

Headers are difficult on these cars - fitment is TIGHT and Dyno Don has the best fitment. There are multiple places where it's 1/4 - 1/8th inch. Virtually all options other than his headers require clearancing due to fitment.

GD
General Disorder,
Thanks for the advice . How do I go about looking into the Dyno Don's? Is there a website or something ?
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Old Jan 2, 2018 | 11:59 PM
  #6  
GeneralDisorder's Avatar
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From: Portland, OR
Car: 86 Imponte Ruiner 450GT, 91 Formula
Engine: 350 Vortec, FIRST TPI, 325 RWHP
Transmission: 700R4 3000 stall.
Axle/Gears: 9 Bolt Torsen 3.70
Re: What headers ?

Best way is to PM him. It's about 4-6 weeks as he makes them to order:

https://www.thirdgen.org/forums/member.php?u=3097

You can see his products on the Top Down Solutions web store:

http://www.top-downsolutions.com/ind...facturer_id=34

You will save a few bucks going directly to the source.

GD
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Old Jan 3, 2018 | 08:03 AM
  #7  
midias's Avatar
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Joined: Oct 2004
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From: Henrietta NY
Car: 1984 Trans Am L69
Engine: Sniper EFI Powered 355
Transmission: WC T5 w/ Steel Support Plate
Axle/Gears: 3.42 10 Bolt Posi
Re: What headers ?

GD is correct the dyno don headers are the best. Hookers are also good. Flotek suck
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