individual throttle bodies...
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Drifting
Joined: Feb 2011
Posts: 2,117
Likes: 119
From: germany
individual throttle bodies...
would this require massive alterations to the motor, like cams, mapping, and i don't even know what else, and would it even make sense on an every day driver? tia, kk
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Joined: May 2001
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+most high end builds will want to use a GT3 type resonance manifold on top of the ITBs
Bottom like a used GT3 starts to look cheap.
Pro
Joined: Feb 2009
Posts: 725
Likes: 60
you'd want to something like this. Increase low end torque. http://www.rothsport.com/Products/En...-Butterfly.htm
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Joined: Dec 2001
Posts: 455
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From: UK
I'm going Rothsport Intake (essentially GT3 intake on top of ITB's), AEM ECU, bigger injectors, CoP (not necessary but wanted to junk the old coils/dizzys) on a stock 3.6 engine with aftermarket headers and muffler. Should be on the engine dyno early next year so will upload the dyno chart if of interest. May change the cams depending on the result of the initial tuning. Not the most efficient use of money but I was going to change the ECU/injectors anyway and so it snowballed from there.
Three Wheelin'
Joined: Nov 2012
Posts: 1,503
Likes: 14
From: Boston
Originally Posted by Talat
I'm going Rothsport Intake (essentially GT3 intake on top of ITB's), AEM ECU, bigger injectors, CoP (not necessary but wanted to junk the old coils/dizzys) on a stock 3.6 engine with aftermarket headers and muffler. Should be on the engine dyno early next year so will upload the dyno chart if of interest. May change the cams depending on the result of the initial tuning. Not the most efficient use of money but I was going to change the ECU/injectors anyway and so it snowballed from there.
Three Wheelin'
Joined: Jul 2005
Posts: 1,635
Likes: 20
From: Estonia
I've done few ITB conversions on 964/993. Tremendous change in throttle response but no way you can run them with factory ECU, you need a standalone ECU and not just any but the one that has proper Alpha-N/hybrid load tuning strategy (pure Alpha-N is not good enough if you want streetable car).
Here's stock 993 engine with GSXR ITB's, VEMS PnP, 200cpi cats with x-pipe (stock exhaust).
Here's stock 993 engine with GSXR ITB's, VEMS PnP, 200cpi cats with x-pipe (stock exhaust).
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Pro
Joined: Feb 2009
Posts: 725
Likes: 60
https://www.fvd.net/us-en/FVD1109000...or-street.html you will need to change your engine management system.
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