Is there a rev limiter on a 87 tuned port engine?

 

Yes. There is also a speed limiter.

 

what is the rpm of the rev limiter? and at what speed is the speed limiter ? I have a buddy with a 87 iroc that he put a 383 in and is still using the tpi and the factory ecm and prom (but did put 24 pound injectors in) and when he gets to 5500 rpm the engine seems to miss just like it hit a rev limiter will a custom chip take care of his problem ?

 

could be a concern with the fuel pump.

 

Hmm anyone have the rpm the rev limiter kicks in on a TPI?

 

TPI has a rev limiter...

It consists of this great big assembly thing that sits up on top of the motor; has a big air box on the very top behind the throttles, and 8 loooonnnnngggggg tubular runners, and and then even more tubular runner in the intake manifold casting itself.

Basically, TPI quits making power at a sufficiently low RPM, that as long as that's on there, the motor will never, ever make meaningful power at a high enough RPM to be dangerous to itself. TPI causes flow (and therefore power) to crater at about 4500 RPM, due to the acoustic tuning effect (the "T" in "TPI") that also produces its major advantage, which is very high volumetric efficiency (complete cylinder filling, and consequently very high torque) at 3600 RPM.

So, apart from protecting you against holding the gas pedal floored while the car is out of gear, there's no need at all for an electronic one, as long as you run TPI with no nitrous or blower or other forced induction.