THSCC Forums

Just a little follow up. Had the car over at Carolina Auto Masters for some tuning and dyno pulls. We did 6 pulls, three for tuning and then 3 more for the CMC certification.

First, I was pretty excited that my motor stayed together for 6 pulls.

The new motor is quite a bit stronger than the one that let go at VIR. I gained 25 ft/lb of torque across the lower rpm's and gained 2 HP and 16 ft/lb of torque at peak.

Now I have to add a little weight to the car to make it legal. That is a good problem to have

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Jim Pastorius
2008 Silverado VortecMax
1992 Camaro CMC#92
2002 BMW R1150R

2009 3rd Place CMC Mid-Atlantic Championship
2009 CMC Hyperfest Winner

So what were the numbers Jim?

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Todd Breakey
STS 42 - 1992 Sunburst Miata
Dammit!
"You souldn't play leap frog with a porcupine. You might get hurt." - Eliza

we have to take the average of three pulls at 185, 195 and 205 degrees. So the average is 231.7 HP and 305.4 ft/lb of torque. The old numbers of the engine that blew were 229.0 and 285.5

The curve of the new engine is what is impressive, a lot less steep than that of the old motor.

So my minimum weight has to be 3210. So Cline, the minimum date weight just increased too

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Jim Pastorius
2008 Silverado VortecMax
1992 Camaro CMC#92
2002 BMW R1150R

2009 3rd Place CMC Mid-Atlantic Championship
2009 CMC Hyperfest Winner