Whipple Belt Guide

[Stang2WRX]

Hey guys, I want to get a whipple belt guide together...





After finishing my install, I can tell you the stock belt doesn't come close to fitting the whipple and 3.5" pulley with a 100mm idler, or without.



Post your confirmed, and non-slip pulley and belt selections.

 

[BADASS03SVT]

take the idler off and put the pulley on the whipple first...

http://www.modularfords.com/forums/showthread.php?t=17583&highlight=whipple+belt+size

http://www.modularfords.com/forums/showthread.php?t=20079&highlight=whipple+belt+size

 

[Fang]

I used the stock belt with a 3.0 and no idler.

 

[CobraBob]

Hey guys, I want to get a whipple belt guide together...

After finishing my install, I can tell you the stock belt doesn't come close to fitting the whipple and 3.5" pulley with a 100mm idler, or without.

Post your confirmed, and non-slip pulley and belt selections.

If you're going to do a belt selection guide you might want to use my Eaton belt selection table as a guide for designing yours. I'd be happy to host the Guide on my website if you gather the data. Might be good to have both tables on the same page for the benefit of all, but that's up to you. If I can help you in any way let me know.

 

[BADASS03SVT]

If you're going to do a belt selection guide you might want to use my Eaton belt selection table as a guide for designing yours. I'd be happy to host the Guide on my website if you gather the data. Might be good to have both tables on the same page for the benefit of all, but that's up to you. If I can help you in any way let me know.

that sounds cool Bob...maybe add KB too?

 

[Stang2WRX]

that sounds cool Bob...maybe add KB too?

Yo, stock eaton boy... settle down!

 

[BADASS03SVT]

Yo, stock eaton boy... settle down!

bwahaha...now why you gotta throw the stock eaton boy in there? wanna compare time slips? :coolman:

 

[JP]

bwahaha...now why you gotta throw the stock eaton boy in there? wanna compare time slips? :coolman:

:lol:

 

[tjvineyard]

With Billetflow 4 pulley set...

I had the stock 3.5" pulley on and the Billetflow 4 pulley set (1 92mm pulley and 3 100mm pulleys). I used a 4080772 (77.25") and was barely able to wrestle it on.

I test fitted my 3" this week. I was not able to get a 4080760 on (76") and it was not that close. I was going to try a 765 but I cannot find one. I am about to run out and see how the 772 works with the smaller pulley.

TJ

 

[tjvineyard]

OK. 772 will work with both pulleys and still have travel in the tensioner.

I guess I should consider myself lucky since I should be able to drive to the track, pull the belt to the side, swap pulleys, and snug the belt up without the PITA of having to reroute the belt. I would sure like to try a 765 just to see if I could get it on the 3" though...

TJ

 

[Stang2WRX]

I had the stock 3.5" pulley on and the Billetflow 4 pulley set (1 92mm pulley and 3 100mm pulleys). I used a 4080772 (77.25") and was barely able to wrestle it on.

I test fitted my 3" this week. I was not able to get a 4080760 on (76") and it was not that close. I was going to try a 765 but I cannot find one. I am about to run out and see how the 772 works with the smaller pulley.

TJ

Thanks.. i will add it to the list.

Generally, how much bigger do people go on belt size when adding the 4 piece idler set to a stock eaton and stock pulley? 75.1" to???

 

[CobraBob]

that sounds cool Bob...maybe add KB too?

I'd love to, but I think Stang2WRX wants to do this on his own.

 

[Stang2WRX]

I'll get it all together, but if you'd like to use it on your site when it's finished I will get in touch

 

[SVTLightningSD]

OK. 772 will work with both pulleys and still have travel in the tensioner.

I guess I should consider myself lucky since I should be able to drive to the track, pull the belt to the side, swap pulleys, and snug the belt up without the PITA of having to reroute the belt. I would sure like to try a 765 just to see if I could get it on the 3" though...

TJ

FYI...Im running a 765 Gates Belt with a 3" Whipple Pulley and the four BF pulleys... :beer:

 

[tjvineyard]

Generally, how much bigger do people go on belt size when adding the 4 piece idler set to a stock eaton and stock pulley? 75.1" to???

From http://www.billetflow.com/supercharger_pulleys.htm :

Belt Selection Guide

No Idlers

Pulley Size.....Belt Size.......Gates Part No......Gatorback Part No.
3.65 (stock).....75.1" .............K080751................4080750
3.40................75".................K080750................4080750
3.10................74.5...............K080745................4080745


With Stealth and Single Pulley Kit

Pulley Size.....Belt Size.......Gates Part No......Gatorback Part No.
3.65...............75.5"...............K080755................4080755
3.40...............75.1"...............K080751................4080750
3.10...............74.5"...............K080745................4080745
2.93...............74"..................K080740................4080740
2.76...............74"..................K080740................4080740


With 4-piece Idler Set (3-100mm and 1-90mm)

Pulley Size....Belt Size........Gates Part No......Gatorback Part No.
3.65..............77"...................K080772...............4080772
3.40..............76.5"................K080765...............4080765
3.10..............75.5"................K080755...............4080755
2.93..............75.1"................K080751...............4080750
2.76..............74.5"................K080745...............4080745

Remember, there are different size idlers and set with different numbers of idlers...

TJ

 

[CobraBob]

The hardest part of putting together a belt selection guide is filling in all the blanks for the out of the ordinary combinations. There are combinations of different upper pullies, lower crank pullies, number of idlers, size of idlers. And sometimes the recommended belt size provided ends up not being correct. LOL!

 

[tjvineyard]

FYI...Im running a 765 Gates Belt with a 3" Whipple Pulley and the four BF pulleys... :beer:

K080765? Where did you get it? I cannot even find one on the Gates site...

It looks like Goodyear does not make one so I was starting to worry that I was out of luck.

TJ

 

[Stang2WRX]

K080765? Where did you get it? I cannot even find one on the Gates site...

It looks like Goodyear does not make one so I was starting to worry that I was out of luck.

TJ

I want to know too... I think I will need the 76.5" belt with my single idler and 3.5" pulley.

 

[Stang2WRX]

I used the stock belt with a 3.0 and no idler.

Do you any play left in the tensioner either way? (Can it be pulled out another half inch, and is it tight enough).

 

[Stang2WRX]

bump