Not that hard to do, really, just need to update it to the more current specs that they had later in the engine’s life. It’s a tried and true formula: more air + more fuel = more power.
The bottom basement numbers on the SRT-4’s seem to be right around 5K or so. The rest are wrecks.
Massively un-reliable with any significant hoonage.
Jim Belushi would be proud.
AKA, PUNGA
I bet it went something like this:
It’s still hard as hell on the engine from a mechanical point of view, lugging it like that. In most cases, high gear in a performance car at 45mph is somewhere between 1000rpm and 2000rpm.