9" crank pulley in progress.

scuzzy · Post by **scuzzy** » Tue Jun 27, 2006 1:55 am

dude, that's freaking nuts.

all that weight on the front snub is going to trash your crank bearings.

douglas vincent · Post by **douglas vincent** » Tue Jun 27, 2006 1:59 am

Its going to be lightend as much as possible.

And it will only weigh a little more then than the stock steel one.

Also, our bearing setup supposedly is VERY strong in the front.

tzedek · Post by **tzedek** » Tue Jun 27, 2006 4:41 am

I bet it will still weigh less than the OEM pulley.

Splinter · Post by **Splinter** » Tue Jun 27, 2006 4:43 am

It can weigh less and still have more rotational inertia.

douglas vincent · Post by **douglas vincent** » Tue Jun 27, 2006 4:51 am

Not just agreed, but it WILL have serious rotational ineria!

I plan on sticking in dead donkeys and beating them!

Project_Legacy · Post by **Project_Legacy** » Wed Jun 28, 2006 4:35 am

what will this actually help you do? better launches?

206er · Post by **206er** » Wed Jun 28, 2006 4:50 am

turn up teh boost.
is it a piece of plate pressed onto a lightweight pulley that has had the grooves turned off? if so, why did you not use a stock pulley?

douglas vincent · Post by **douglas vincent** » Wed Jun 28, 2006 4:59 am

More boost for the supercharger.

Aluminum, not steel.

Project_Legacy · Post by **Project_Legacy** » Wed Jun 28, 2006 5:06 am

ahh alright i get it. kool!

douglas vincent · Post by **douglas vincent** » Wed Jun 28, 2006 5:39 pm

Done and being shipped!

sammydafish · Post by **sammydafish** » Wed Jun 28, 2006 7:00 pm

damn... lookin good... who made that for you and what about did it run? Looks like a nice piece, I'd like to have one made for my Jag

azn2nr · Post by **azn2nr** » Wed Jun 28, 2006 7:03 pm

oh sweet jesus. we need pics of it insalled

jnorion · Post by **jnorion** » Wed Jun 28, 2006 7:03 pm

How much boost does that give you?

Murphy · Post by **Murphy** » Wed Jun 28, 2006 7:25 pm

can you get a soomed out pic? its hard to see what the size realy is, in those pics it looks like a wheels off a train

douglas vincent · Post by **douglas vincent** » Wed Jun 28, 2006 8:07 pm

It cost me about $300 ($40 for the donor underdrive pulley and $260 for the labor, aluminum and shipping).

I will see if he wants to do some more.

It will give my about 10-11 psi (cross your fingers) I currently have 7-8. It will be hitting the efficiency maximum of the supercharger at 6000 rpm.

206er · Post by **206er** » Thu Jun 29, 2006 2:30 am

whats the ratio?

jnorion · Post by **jnorion** » Thu Jun 29, 2006 3:44 am

In future news, Doug has blown his engine. Again.

Project_Legacy · Post by **Project_Legacy** » Thu Jun 29, 2006 4:42 am

get the tuning down and it should be alright... i think.

douglas vincent · Post by **douglas vincent** » Thu Jun 29, 2006 6:25 am

Ratio is 2.5-1.

Currently I am running 12-1 AFR till redline

SP-Boxer · Post by **SP-Boxer** » Thu Jun 29, 2006 12:42 pm

I love it

Let us know what you gain with it

Pulley tuning is always a cheap way off tuning, guys with VW's do the same on their G60's. But this is extreme

Just gotta love it

sammydafish · Post by **sammydafish** » Thu Jun 29, 2006 1:20 pm

SP-Boxer wrote:Pulley tuning is always a cheap way off tuning,

huh? that's about the only thing that sucks about a blower, if you want more boost, you need to get/make a new pully. Not nearly as cheap/easy as giving a twist to your MBC.

that's the only reason why the Jag is still running stock boost.

SP-Boxer · Post by **SP-Boxer** » Tue Jul 04, 2006 4:49 pm

For a VW G60 there are lots of pulley's on the market...

bmxpunk · Post by **bmxpunk** » Tue Jul 04, 2006 7:45 pm

doug.... i honestly dont know what to say...... i kinda wanna drive up to just to see the dang thing...

azn2nr · Post by **azn2nr** » Thu Jul 06, 2006 3:00 am

um quick question.

why is it that some people seem to say that smaller pullies are better for superchargers (more boost) yet yours is hooooogggggeee

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9" crank pulley in progress.

9" crank pulley in progress.