Re: 7M-GTE, improve midrange: cams or ex housing swap, suggestions/ideas?
myne, you might have missed the start of the thread where he is chasing extra midrange
BB turbos might spool a bit faster, but it is not a night and day difference...
some people say the biggest diffrence is in the aerodynamics of the turbine and compressor, since the newer designs are more efficient.. and that is what makes the difference, not the BB core....
from that graph, you have a great top endand it ramps fairly quickly too....
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Re: 7M-GTE, improve midrange: cams or ex housing swap, suggestions/ideas?
It's an old graph, but it gives you an idea of how much more mid range that 35R is giving you!
Looks like almost 100rwkw more than my setup @ 140kmh
That should be serious shit your pants material!!!!
Should have a new graph after tuning and dyno day 14 in a few weeks!
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Re: 7M-GTE, improve midrange: cams or ex housing swap, suggestions/ideas?
Put NOS on it or buy a V8
Dan I just remembered that I have two dyno sheets with my car running big cams and Dino’s without, both had the same diff gears 4:30 & small converters in the transmission (2800RPM) at the time.
My power came on like 2-300RPM lower and had the same midrange, with the advantage power kept climbing.
It’s a give and take situation.
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