Quote:
Originally Posted by ycis
any issues with putting a carter 4bb and manifold on an engine that originally came with a 2bb setup from the factory?
im assuming everything else is identical?
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If your car came with a 2bbl and the exhaust has not been changed then you have single exhaust. When you put the 4bbl on you will be putting more air/fuel mixture into the engine
and to fully realize the increased performance from this you should upgrade to dual exhaust
so you can get the increased spent gasses out. Leaving it as single exhaust you will still see increased performance but not as much as with dual exhaust.
If you really want it to get up and go change it to a tripower with dual exhaust and stick a Summit 2801 cam in it.