Supercharger for 4.5 petrol?

Submitted: Tuesday, Feb 25, 2003 at 13:28
ThreadID: 3535 Views:2596 Replies:4 FollowUps:3
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Just ticked over 330,000kms in 94 GXL FZ series, not one major problem with this engine except its now lacking power and in need of a rebuild, I have considered various options ie: repowering with V8 etc but would like to know if anyone out there has fitted a supercherger to a 4.5 petrol engine with success?
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Reply By: Truckster - Tuesday, Feb 25, 2003 at 13:32

Tuesday, Feb 25, 2003 at 13:32
Not a Yota, but a GU 4500 Petrol... John Munday from the Sydney Patrol Club has one on his, and never heard a bad word about it yet..

Seems to get him up and about everywhere he wants without fail.

Remember a rebuild will get you lots more neddies without the blower... Amazing how you get used to the power, and dont notice the lack of for a while...
AnswerID: 13894

Follow Up By: Willie - Thursday, Feb 27, 2003 at 23:53

Thursday, Feb 27, 2003 at 23:53

just wondering if you have John Munday's contact email or phone # as i have a 4.5 ltr patrol & whould like his opinion on a few things

cheers Willie
FollowupID: 8422

Follow Up By: Truckster - Friday, Feb 28, 2003 at 09:08

Friday, Feb 28, 2003 at 09:08

Sydney Patrol Club WebSite John is the Webmaster there as far as I Know.

You can contact him thru the club.. Dont wanna give out personal email addys incase he doesnt want the world to now it.

Take care.
FollowupID: 8431

Reply By: Coops - Tuesday, Feb 25, 2003 at 17:17

Tuesday, Feb 25, 2003 at 17:17
Have heard of overheating problems in North of WA so may pay to consider that depending upon where you live of course.
I'd imagine it to be a huge boost in power but after 33K you may need a recon of sorts beforehand, in which case Truckster is probably on the right track too
AnswerID: 13919

Reply By: simon - Tuesday, Feb 25, 2003 at 21:33

Tuesday, Feb 25, 2003 at 21:33
Hi Wanger

The owner of gas power in warners bay (newcastle) has one fitted to his wifes gu 4.5 ltr goes well as far as i know and why wouldnt it.
Let us know pricing of you persue it i would be interested to know what sort of cash is needed for it.


AnswerID: 13940

Follow Up By: Wanger - Wednesday, Feb 26, 2003 at 00:13

Wednesday, Feb 26, 2003 at 00:13
Will do, thanks for the response out there, I think a complete rebuild is in order and hope to increase torque figures with some form of compressed induction as I need heaps.
FollowupID: 8307

Reply By: Suzuki Viagra - Wednesday, Feb 26, 2003 at 10:54

Wednesday, Feb 26, 2003 at 10:54
If you're rebuilding it anyway - you can increase power further during the rebuild with head mods and compression increase - but then you can't turbo/supercharge it....

Or you can build it with the intention of turbo/supercharging it using lower compression pistons to enable higher levels of boost (thus obtaining more boost earlier). The downside to this is at really low RPM if turbo'ed it will feel like a slug if you use a big turbo.

Before rebuilding it - think of what you really want out of it.

A Lexus V8 engine is only about $2500 - which might end up a lot cheaper than your rebuild, but the engineering to fit it might cost you 3 times that - dunno of asnyone who's tried to fit one. If you're looking at a V8 conversion this is the way I'd recommend - after all it should fit up much easier than a chev engine and the factory itself used a version of them in Lexus 4wd's.

Don't put an older style non-injected engine like a 308 in there - you'd be going backwards from the 4.5.
AnswerID: 13970

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