Quote:
Originally Posted by steve
Why not an rpm ? If it's on the street most of the time isn't a manifold that gets good power low in the rpm range a better option ? That T2 isn't supposed to kick in till like 2500rpms. He has an auto too. Won't that make it worse unless he has a fancy stall convertor ? Please explain why a T2 is a better choice than an rpm.
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All I can do is offer my real world experience regarding the T2 and RPM: I ran the RPM for about four years on the combo listed in my signature. Liked it a lot, very streetable and did well at the strip with a best of 11.64 with 60 foots in the 1.6s.
I had heard the caveats regarding the T2 - ie loss of low end and loss of streetability.
I wanted to try a single plane T2 and got one from a friend. Put it on the motor and headed for the strip. If I had not changed the intake myself I would not have detected any difference from the RPM while driving it on the street. So much for a loss of street manners.
First pass out of the box and 60 foots were in the mid-1.5s. So much for a loss of low end. Time was 11.50; an improvement of .14 seconds and the only change I made was to the T2 [with 2" open spacer]. Stall on the convertor was 2500. Not too far above stock.
And that is why my own experience favors the T2. But to add another caveat: "Your results may vary." Both the RPM and T2 are good intakes, you really can't go wrong with either.
Jim