C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine

Best replacement headers

Old Apr 25, 2002 | 12:05 PM
  #1  
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Default Best replacement headers

What is the best fitting headers for a 85 vette? With the air tubes. And what "Y" pipe? I have the 4 bolt converter. I have the angel plugs in it now to.

Thanks in advance.
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Old Apr 25, 2002 | 12:11 PM
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Easiest to drop right in would probably be Hooker 2149 headers. They are 1.75" primaries to a 3" collector and are coated w/ emissions hookups.

Give Chris K. a call at the # below. :yesnod:

p.s.

These are mine...




[Modified by scorp508, 11:11 AM 4/25/2002]
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Old Apr 25, 2002 | 12:47 PM
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Default Re: (scorp508)

Scrop, I guess you have angled plugs too; how will #1 & #7 clear the headers?

Do you see any problems with wires touching header tubes or maybe have to use short spark plugs?
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Old Apr 25, 2002 | 12:48 PM
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Scrop, I guess you have angled plugs too; how will #1 & #7 clear the headers?

Do you see any problems with wires touching header tubes or maybe have to use short spark plugs?
Fastguy dropped a set onto his '88 a couple of weeks ago and there were no sparkplug issues to be seen. In fact it looks like a dream to change the plugs now. :)
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Old Apr 25, 2002 | 01:12 PM
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Default Re: (65Z01)

There any issue with the brackets? Ac, alternator?
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Old Apr 25, 2002 | 01:17 PM
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There any issue with the brackets? Ac, alternator?
This seems to be different over the years. It appears the alternator is going to BARELY fit, or not fit. :( I think the AC should fit for pre 88. Not sure.
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Old Apr 25, 2002 | 01:57 PM
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Default Re: (scorp508)

The A/C wouldn't bolt up on an '88 without using a stud and standoff as the OEMs have standoffs welded to the header flanges.
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Old Apr 25, 2002 | 02:11 PM
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Default Re: (scorp508)

what would be the best 50 state emissions legal headers?(for an 86) I live in California so unfortunately long tubes are not an option :(
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Old Apr 25, 2002 | 11:57 PM
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Default Re: Best replacement headers (corvette0096)

I used the TPIS Long coated headers, but needed a muffler man to make the Y pipe work. They are working great, and all the emissions stuff is hooked up. Just remember to wrap everything in silver protective wrap. Like starter, and egr pipe, etc, and route wires far as possible away from melting pipes.
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