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Whipple tune and smaller pulleys

TripleB

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Running stage 2 on Whipple tune -3.75 pulley

Would like to go down a size, maybe 2. Can Whipple tune work with that? How big of an issue will run into running this on 91+boostane to make 93 octane.
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SHONOFF15

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In the instructions whipple sends, it says the smallest they recommend on 93 octane with 72lb injectors is the 3.625" Pulley

But to answer your question yes the whipple tune will work for smaller pulleys.
Pulley Sizes.webp
 
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TripleB

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thanks guys!
 

808muscle

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Running stage 2 on Whipple tune -3.75 pulley

Would like to go down a size, maybe 2. Can Whipple tune work with that? How big of an issue will run into running this on 91+boostane to make 93 octane.
You want MORE power!!! LOL My tires are like FU with just the 3.75 pulley!:doh:
 

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TripleB

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You want MORE power!!! LOL My tires are like FU with just the 3.75 pulley!:doh:
You need some drag radials man. I can dead hook on second. So much fun when you can put the power down
 

stang17

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You need some drag radials man. I can dead hook on second. So much fun when you can put the power down
What tires are you running and are you still on the stock half shafts?
 
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TripleB

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What tires are you running and are you still on the stock half shafts?
nt05r's in the back 305/35/19

Stock half shafts but I haven't launched it hard yet
 

stang17

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nt05r's in the back 305/35/19

Stock half shafts but I haven't launched it hard yet
Do you have those on the PP rims?

If so, perhaps I'll pickup a set. Wasn't quite sure how well a 305 fits on a 9.5 inch rim.
 

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Running stage 2 on Whipple tune -3.75 pulley

Would like to go down a size, maybe 2. Can Whipple tune work with that? How big of an issue will run into running this on 91+boostane to make 93 octane.
I've used Torco, Boostane, and Octanium to raise octane. They all seem to work about the same which is to say well.

I'd be surprised to find out Boostane is much different from an ingredient perspective.
 
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TripleB

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Do you have those on the PP rims?

If so, perhaps I'll pickup a set. Wasn't quite sure how well a 305 fits on a 9.5 inch rim.
No, I got new wheels.

Project 6gr 350r replica wheels. 10” front and 11” rear. May go with even wider tire. There’s certainly room
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