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Thread: Dyno day
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05-08-2010 #1
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Dyno day
Did a dyno session to validate my latest cam change. Not too shabby...but I dare not press the Gen 1 block any harder. 625 rwhp/595 rwtq.
Honey, I don't know how those black marks got on the driveway....
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05-08-2010 #2
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05-08-2010 #3
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383, 8.3:1 scr, JE blower pistons, Scat 4340 crank, Eagle rods w. ARP L-19 bolts, Edelbrock Vic. Jr. heads, Comp. Cams solid roller 244/248/114*, .617 in./.591 ex. lift. FAST efi, ProCharger D1-SC supercharger around 15-18 lbs. boost,(not logged this session).
Originally Posted by Yelcamino
Nice numbers!
What's the engine? Details?
Honey, I don't know how those black marks got on the driveway....
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05-08-2010 #4
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Wow, nice steady curve, should be fun running through the gears with those numbers.
Gaetano Cosentino
Dont Drive Faster Than Your Angels Can Fly
05-08-2010 #5
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Your air/fuel looks lean for forced induction?
05-08-2010 #6
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The probe was out of calibration. It as reading 1 to 2 points leaner than actual on everyone's runs.
Honey, I don't know how those black marks got on the driveway....
05-09-2010 #7
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Video of the pull. Note the tire smoke at the end of the pull....
Honey, I don't know how those black marks got on the driveway....
05-10-2010 #8
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Great numbers, should be a blast. What was the old cam and how did the new one affect idle and sound?
JimDon't take a knife to a gunfight.
Half-Assed = Half-Fast
05-10-2010 #9
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The old cam was 230/236/114*, with a little less lift. Really a mistake given the 114* LSA. Comp. Cams did a no-cost upgrade. Originally Posted by DeltaT
The idle was way too mellow for my taste. Now it sounds a little more like a muscle car, with some ass to back up the sound. I wonder how much the tire slippage cost me on the dyno? I have to admit, I'm approaching excessive power levels..ha ha
Honey, I don't know how those black marks got on the driveway....
05-10-2010 #10
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Speaking of excessive power levels, what's the rear end? Is it still the IRS? Heavily modified I would assume? Originally Posted by big_G
The old cam was 230/236/114*, with a little less lift. Really a mistake given the 114* LSA. Comp. Cams did a no-cost upgrade. The idle was way too mellow for my taste. Now it sounds a little more like a muscle car, with some ass to back up the sound. I wonder how much the tire slippage cost me on the dyno? I have to admit, I'm approaching excessive power levels..ha ha
05-10-2010 #11
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Yes, still stock IRS. I'll beef it up with good axles this winter..(or sooner if it blows). So far, street tires have spared it. Now that I have drag radials..... It's my version of an IED... Originally Posted by Yelcamino
Honey, I don't know how those black marks got on the driveway....
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