whipple pulley - Lightning Forum | LightningRodder.com
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post #1 of 18 (permalink) Old 03-20-2011, 01:39 AM Thread Starter
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whipple pulley

hi guys
what the pulleys combo for whipple 2.3L to get 18 psi ?
Is it safe to run 18psi on 93oct pump gas ?
i have 4#,6# lower Rings ,big TB , TF heads,built engine ,and full catback
whipple told me lower 4# with 3.125 is 18psi that correct ?




#2652 2001 ,WHIppLe 3.4L,TF heads ,OBX Lt`s,magnaflow exhaust, Drop sheckles 2 inch , HiD 6000k Heads light & Fog`s,Black tail light, AFCO HE+Fan,TF Ic tank , 160* stat
STATE OF KUWAIT
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post #2 of 18 (permalink) Old 03-20-2011, 05:50 AM
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You're looking at an 8# lower and 3.375 upper to make 17 - 18#'s on a fully built motor. What size of pulley is on your Whipple?

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post #3 of 18 (permalink) Old 03-20-2011, 07:20 AM Thread Starter
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whipple pulley 3.375 , i want change the upper i can find them easy on kuwait ,,the lower ring i need to order it from usa and wait long time


#2652 2001 ,WHIppLe 3.4L,TF heads ,OBX Lt`s,magnaflow exhaust, Drop sheckles 2 inch , HiD 6000k Heads light & Fog`s,Black tail light, AFCO HE+Fan,TF Ic tank , 160* stat
STATE OF KUWAIT
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post #4 of 18 (permalink) Old 03-20-2011, 07:25 AM
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You many run into to some belt slip problems trying to find a small enough upper pulley to get that kinda boost with a 6# lower.

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post #5 of 18 (permalink) Old 03-20-2011, 07:26 AM
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I'm running a stock whipple upper and an 8# lower and barely see 18# on a cold day.

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post #6 of 18 (permalink) Old 03-20-2011, 07:46 AM
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my motor only has 300 miles on new build but im running 8lb lower and 3.375 upper and i havent held truck to see how much boost it makes but if you just slap the loud pedal it jumps to 15lbs instantly. there are other variables that come into effect also

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post #7 of 18 (permalink) Old 03-20-2011, 10:01 AM
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8lower and 3.375 upper I see 17 pounds
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post #8 of 18 (permalink) Old 03-21-2011, 01:30 PM Thread Starter
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guys what the size belt .3.375 and the lower 8#?


#2652 2001 ,WHIppLe 3.4L,TF heads ,OBX Lt`s,magnaflow exhaust, Drop sheckles 2 inch , HiD 6000k Heads light & Fog`s,Black tail light, AFCO HE+Fan,TF Ic tank , 160* stat
STATE OF KUWAIT
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post #9 of 18 (permalink) Old 03-21-2011, 02:38 PM
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Quote:
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guys what the size belt .3.375 and the lower 8#?
With the stock idlers I bought a 69.625 and it was tight, 70" would be perfect.

The foot say's go, The light say's no!
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post #10 of 18 (permalink) Old 03-21-2011, 03:57 PM
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Quote:
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You're looking at an 8# lower and 3.375 upper to make 17 - 18#'s on a fully built motor. What size of pulley is on your Whipple?
Ron I have a 6lb lower (9.25") and a 3.5 upper full 3" exhaust making 16lbs.....
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post #11 of 18 (permalink) Old 03-22-2011, 04:45 AM Thread Starter
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Quote:
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Ron I have a 6lb lower (9.25") and a 3.5 upper full 3" exhaust making 16lbs.....
what is your rwhp on 16psi ?


#2652 2001 ,WHIppLe 3.4L,TF heads ,OBX Lt`s,magnaflow exhaust, Drop sheckles 2 inch , HiD 6000k Heads light & Fog`s,Black tail light, AFCO HE+Fan,TF Ic tank , 160* stat
STATE OF KUWAIT
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post #12 of 18 (permalink) Old 03-22-2011, 05:36 AM
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8lb lower and stock upper on my lil whipple, 16-17lbs

Stock Block Whipple. 7.11@95.50MPH/11.21@121MPH All Boost

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931/887, 29lbs/15* https://youtu.be/SBz5VpT7Nn0

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post #13 of 18 (permalink) Old 03-22-2011, 06:03 AM
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what is your rwhp on 16psi ?
610hp/630tq
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post #14 of 18 (permalink) Old 03-22-2011, 10:21 AM
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610hp/630tq
DAM!
What other mods you running:
Cams
Heads
Timing
fuel
Giggle Gas?

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post #15 of 18 (permalink) Old 03-22-2011, 03:01 PM
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Quote:
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DAM!
What other mods you running:
Cams
Heads
Timing
fuel
Giggle Gas?
It's all in my sig. 12* of timing. 93 octane
But now that I think of it, it was at 16lbs before I had to gut the cats, so it should be lower now. Anyone know about how much lbs of boost you loose after goin catless?
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