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Post by bigpete on Jul 4, 2010 13:35:42 GMT 1
Hi I was thinking about a VR conversion for my mk2 gti but I have a spare GTi 8v engine knocking about & have seen I could get alot more usable power by supercharging that. Does anyone know the best way to go about lowering the compression ratio or where I can buy a compression plate from??? I have plans for my GL gearbox because it is stronger that a GTi one. It's going to have a short throw & lsd fitted so I shouldnt have any issuse with the extra power If anyone can help me with the issue of getting the compression sorted, it would help alot Cheers, Pete  |
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Post by steve66! on Jul 4, 2010 14:29:19 GMT 1
um, engineering shop, get them to machine you a thicker gasket or compression plate. Or skim the top of your pistons?
eitherway, use an Eaton off a new mini cooper s, they seem to work.
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Post by steve66! on Jul 4, 2010 14:30:06 GMT 1
ps, you wont run standard injection either. unless you find a g60 setup?
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Post by bigpete on Jul 4, 2010 14:50:53 GMT 1
Cheers I'll start having an ask around different places abouth getting a thicker gasket or compression plate made. I was thinking of sourcing some 550cc injectors if they would work. Yeah the eaton m45 looks reliable or there's this bbm kit that includes everything you need, g-werks are selling it
What work would I need to do in the way of the ECU or is it a fairly easy bolt on option?
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Post by fast65 on Jul 4, 2010 20:01:45 GMT 1
how much bhp do you want ? are you going to run after market ecu? 550cc should see you to about 250bhp chargers are good but you will get far more bhp from a turbo  cheers andy |
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Post by bigpete on Jul 5, 2010 12:09:16 GMT 1
Anything above 200bhp is good as she is just my daily driver, I was thinking about running an aftermarket ecu but not sure what to go for? I know I'd get more from a turbo but cost sort of rules it out, cheers
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Post by bigpete on Jul 5, 2010 13:18:52 GMT 1
just a quick update I have rang G-werks & they have a brand new Supercharger kit which should see myself pushing around 300bhp, I was advised to fit some ARBs & Strut braces.... lucky I already have VR6 brakes!! Just got to wait till the end of the month for more info when it's in stock... should go like stink on a GL gearbox with a short shifter
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Post by fast65 on Jul 5, 2010 21:33:54 GMT 1
i would say its going to be around 3k for a charger setup hopfully im wrong, you could turbo your car for less than half that and have a stand alone ecu i use DTA but theres loads of others around. most of it boils down to how much you can do yourself, take a look on this site loads of interesting projects www.dubforce.net/forums/not to put a downer on youre plans but 300bhp is a lot for a stock box and clutch to take have a read up on forced induction its very a interesting subject and you will learn loads have fun cheers andy |
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Post by bigpete on Jul 5, 2010 23:18:02 GMT 1
cool cheers, yeah I found that site earlier today & was on it for hours. I've started looking back at VR6 & 20vT conversions, so I'm really confused as what engine to do now :S
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Post by fast65 on Jul 6, 2010 20:12:49 GMT 1
vr6 100% then turbo that 400+ with standard internals and they sound cool |
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Post by bigpete on Jul 6, 2010 23:58:34 GMT 1
Yeah I think that is the best option as I can run it on uprated cams & would be a good base to work from. Also I have VR6 running gear on the car already so should be alot easier to put in. Thanks for your help to stop me being indecisive pal
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