Supercharged GQ

Post by GM » Mon Jul 02, 2007 10:16 pm

Has anyone got any info on bolting on a blower to my 4.2 feul injected petrol GQ. It should fit but any hints on geting the drive to it will save us the guessing

Post by **nastytroll** » Tue Jul 03, 2007 9:19 am

there was a bloke on here with a efi swb gq that had a vortec or similar on it, cant remember his ID but search mite help

Post by **GUEEY** » Tue Jul 03, 2007 4:26 pm

nastytroll wrote:there was a bloke on here with a efi swb gq that had a vortec or similar on it, cant remember his ID but search mite help

PM TUFFRANGIE , He has one!

Post by **^--This Way Up--^** » Tue Jul 03, 2007 5:07 pm

what sort of blower is it? got a STA supercharger bolted to mine, lots of fiddly work mounting especialy if u have to fabricate the bracket yourself.

Post by GM » Tue Jul 03, 2007 7:36 pm

^--This Way Up--^ wrote:what sort of blower is it? got a STA supercharger bolted to mine, lots of fiddly work mounting especialy if u have to fabricate the bracket yourself.

The bracket does not bother me.[working with steel is what I do] Its the drive that does. What sort of belt does yours run and at what ratio. Do you know what RPM the blower runs at compared to the engine

Post by **gqpete** » Tue Jul 03, 2007 8:11 pm

i had a vortex. not much gain for all the hassels. belt kept flying off at high rpm's. got to cramped in the engine bay, had intercooler as well. had enough, went turbo. far less hassle and way more performance for your buck. cheers

Post by GM » Wed Jul 04, 2007 7:08 pm

gqpete wrote:i had a vortex. not much gain for all the hassels. belt kept flying off at high rpm's. got to cramped in the engine bay, had intercooler as well. had enough, went turbo. far less hassle and way more performance for your buck. cheers

Thanks. Any segestions are great. We are on the fence at the moment. Turbo or supercharger????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????

Post by **TUFFRANGIE** » Wed Jul 04, 2007 10:04 pm

I have darrens and petes old vortech blower on mine, not sure on any technical details but have sorted out the belt throwing problem. Turned out pulley was slightly out of line and belt was just a bit big. I like the type of power my setup makes, sure not as big figures as the turbo guys but a much tamer and progressive surge with good torque.

Rob

Post by **^--This Way Up--^** » Thu Jul 05, 2007 6:02 pm

not to sure on the drive ratios, the pullys came with the blower as for the belt
it uses a 6PK similour to the belt the commodore uses. i wouldnt mind gearing it for more psi but i dont think this type of belt will hold the horsepower.

Post by GM » Thu Jul 05, 2007 8:01 pm

^--This Way Up--^ wrote:not to sure on the drive ratios, the pullys came with the blower as for the belt
it uses a 6PK similour to the belt the commodore uses. i wouldnt mind gearing it for more psi but i dont think this type of belt will hold the horsepower.

Thanks. This is what i need to know. I can put any pully on the crank, but with your input hopefully I can work out the correct pully for the job.
Do you have any problems with belt slipping and did you have to move the radator or fan to fit the new pully on the crank?

Post by **^--This Way Up--^** » Wed Jul 11, 2007 8:38 pm

Havnt had a problem yet with the belt, the crank pully should miss the fan, but i had to space the fan about 60mm closer to the radiator so i could fit the belt tensioner pully in. at the end of the day its all a tight fit.

Post by **j-top paj** » Wed Jul 11, 2007 9:00 pm

gqpete wrote: got to cramped in the engine bay

guess it wouldnt be a too much better on a GU

Post by **bogged** » Wed Jul 11, 2007 11:45 pm

check the blown TB in forsale section..

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