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  1. B

    What size Cam is too BIG for my ss

    Camshaft selection makes a big difference I have asked this question many times. The truth of the matter is, if you are always driving your car on the street and require driveability you are better off sticking with a small duration camshaft. For an automatic, I would go no more than 220...
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    Throttle Body upgrade

    that is a good number, What you do to it to get it to make that much. Explain in detail if you dont mind. cheers
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    Wh ls1 heads

    the 243 heads fit on ls1 and do flow more but you need to get them ported etc and increase the compression and you will notice a massive difference. From about 225CFM at the intake it will shoot up to about 320CFM which is huge. Still flows less than a stock l92 head but power wise not a big...
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    Ve SS exhaust power loss?

    hi Hi mate. a 3 inch system will drone more than a 2.5 inch no matter what anyone tells you. If you plan to do heads and cam go the 3 inch as you will need it. If you only plan to tune it and fit a cam, stick with 2.5 inch. For headers the 1 3/4 size are the best. The pacemaker and difilippo...
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    [LS1] ls1 cam!

    this cam is not suitable as a daily even when tuned right. The tight lsa would make it hard to drive. I know someone who has this cam and it idles at 1000rpm, and goes through fuel like no tomorrow. He has stock heads and it runs like crap. This cam is 111.5LSA so would need a lot of...
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    [LS1] ls1 cam!

    Hi guys. I have a VZ clubsport and Im about to do a big cam upgrade using 229/242 .631 .631 114LSA so its big one. When you do a big cam it is very important that you work the heads as big cams work like crap with stock heads and stock compression. Mine is auto, and I will be fitting a...
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    [LS1] Exhaust upgrade 2.5 or 3 inch

    Exhaust facts!!! Hi everyone. I have a VZ clubsport R8 and I had a full difilippo 2.5 inch system with difilippo 200CPSI high flow cats and 4into1 1 3/4 long tube extractors. It sounded awesome with excellent refinement and made great power (283rwkw tuned and auto so definately flowing) I...
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    VZ diff clunk under warranty.

    mate. get rid of the diff and install a harrop tru-track. the best diff replacement which is better quality than the VE LSD etc. It operates silently, no clunks and traction is increased by about 50% I would say. big difference. also, u don't notice the power delivery at the rear wheels cause...
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    VZ diff clunk under warranty.

    Hi mate. Read this and if u do what I say you won't have any more problems. One, get rid of the diff. its a piece of junk and if you ever get it rebuilt or replaced, in time, it will go back to clunking again. Its not the transmission, believe me. I got a VZ HSV R8 and mine does it so bad...
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    Help from VZ owners

    Have a look at these photos and tell me what u think. You will know what i mean. You will see the extra cap and reservoir in one pic and in the other it is just a single reservoir only. very suspicious
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    Help from VZ owners

    Hi mate. I got a VZ clubsport R8 and i am not happy with the brake feel. The revision holden made is terrible and brake feel is really crap. The master cylinder and booster is DIFFERENT compared to the VT-VY The VZ has the same size master cylinder but is a different shape. the booster is...
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