3.4 Whipple VS Gen 3 2.65

CD07GT500

Klaus's Bitch
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I wanted to post this comparison awhile back but never got around to it. Yes these combos are not identical but they share a lot of the same major components as seen below. This is honest non bias results with both combos using the same engine builder, tuner, and dyno. Honestly I never expected my 2.65 combo to make more than 1080.

Gen 2 3.4 Crusher Whipple
25lbs
MMP Custom grinds
Fox Lake ported heads
10:1
ARH 1.875x3" Headers
ARH 3" exhaust.
CJ T/B
JLT 148
E85
3.73s/Street tires

3.4 Whipple (SAE was right at 1000)
1031/913 STD
1031.GIF


Gen 3 2.65 (Non R with no port work)
25lbs
Custom grinds
ported heads
10.7:1
Kooks 2"x3.5" Headers
Kooks 3.5" exhaust.
VMP 173 T/B
JLT 148
E85
4.10s/30" drag radials


VMP 2.65
1215/1101 SAE
1215.GIF
 
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CD07GT500

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Less compression, tiny TB, smaller exhaust are some pretty major differences BTW. Tired of these gen 3 posts.

Not going to make up for the 200whp difference. Also the 2.65 had 4.10s and a 30” drag radial. I think apples to apples it’s about 150whp difference with both at 25lbs.
 

Oiljunkie

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Your probably right, those differences together probably don’t add up to the power differential. But when you take into account possible environmental factors, duration between runs, quality of the e85 you end up with a margin of error outside the remaining power differential. Can you shed light on the iat’s, timing, outside temp, humidity, e85 quality.
 

CD07GT500

Klaus's Bitch
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Your probably right, those differences together probably don’t add up to the power differential. But when you take into account possible environmental factors, duration between runs, quality of the e85 you end up with a margin of error outside the remaining power differential. Can you shed light on the iat’s, timing, outside temp, humidity, e85 quality.
Yea sure. Both on e85 cut with race gas out of a drum. Ignite 114 Red and One E. Both combos got the maximum timing based off plug readings on the dyno. The Temp and humidity was slightly warmer for the whipple pull but the correction factor will account for the majority of that.
 

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