Camaro29

Hello dear friends!

I have one big problem.
So please, help me to find a solutionof this problem.

I build 5.7 L98 engine from 2 different engines. 1987 L98 Corvette and 1991 L98 Camaro.

If i make 2000x turnover in "Parking" i have red and than WHITE exhaust manifolds.

When i drive - no problems.

I have:

- Low intake - Corvette 87
- Upper Intake - Camaro 91
- Injectors - Corvette 87. Old. Did not clean it.
- Delete EGR
- Single fan from 5.0 (not dual)
- ECM Camaro 91
- MAP from Corvette 87
- Destributor Corvette 87
- Wiring Custom

Ignition angle 6 degree

Please help!

Drew

iTrader: (58)

You might try resetting the valve lash. If you overtighten the rocker nuts, you'll have the valves open during combustion, hence the exhaust will be hotter than normal.