Originally Posted by
Greg Amy
I think they're excellent packages. Flatout built one, and Luis Rivera out of Colorado has a street-ported 12A that he says is an excellent package.
"How much"? No idea. Some say "nothing" (my response is, "so...why did you request it?") some say a lot more than expected. We'll find out soon enough.
If you're thinking of doing it, keep in mind that headers are free. So means that exhaust header tubing size is free. Exhaust header port opening and location is also free. And the exhaust ports are pretty thin...so do whatever you want within 1" of the interface to "match" to whatever exhaust header you decide to fabricate.
1.80" to the closest place on the exhaust side that could help power Greg. Intake will help a little, but still too far to actual area to change port timing.
Steve Eckerich
ITS 18 Speedsource RX7
ITR RX8 (under construction)
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