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

89 c4 need more power

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Old 07-21-2016, 01:48 PM
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RoadKilljunk
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Default 89 c4 need more power

I have a stockish 89 l98 c4.
Flowmasters k and n and hei ignition
Looking for the best bang for the buck power adders can you help?
Old 07-21-2016, 02:56 PM
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aklim
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Depends on how much money you got to spend and what your goals are. Probably will need headers and an intake and a dyno tune to get much done. HEI ignition coils and fancy wires doesn't do squat. I custom built my own wires because I needed the length and got a decent deal on wires and the crimpers.
Old 07-21-2016, 03:42 PM
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John A. Marker
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Time to fill in your profile.

Automatic or stick?

Automatic = stall converter and gears
manual = gears

MORE $$$$$

Cam (will need custom tune so start looking for someone in your area that can do this)
Heads
Intake
Headers & exhaust

Driver training....
Old 07-21-2016, 04:25 PM
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Joe C
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come on - first post, no profile, controversial subject matter
-

Last edited by Joe C; 07-21-2016 at 04:29 PM.
Old 07-21-2016, 06:04 PM
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gerardvg
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Originally Posted by RoadKilljunk
I have a stockish 89 l98 c4.
Flowmasters k and n and hei ignition
Looking for the best bang for the buck power adders can you help?
Long tube headers is the best bang for buck, look for HTC coated headers which will keep the engine bay and floor cool.
I got headman HTC coated headers and they are great, quite cheap too.

TPI engines love headers, will knock almost one second of a quarter mile time.
Old 07-21-2016, 06:12 PM
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aklim
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For headers, get a set with 2 priorities in mind. First, how easy it is to work around. Secondly, how easy it is to install.

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