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80 mm tb

fever42

fever42

New member
80 mm Throttle body assy has anyone ever used this on a mod L67 setup or is it too much have a 72 on there now can get cheaper than a northstar Thanks
 


ZZP used to have an 87mm throttle body kit, they haven't made it for a long time though. If you do an 80mm, you will have to port the inlet of the supercharger to match, or it won't help much. I say go for it, more air in, more power.
 
If you can open the supercharger inlet, as mentioned, having the biggest TB you can get is best. I've got a 102mm LSx waiting to go on my MP112 when that gets put into something in the future (original INTENSE/ZZP kit from 2003 has regular 75mm LS1 TB adapted).
 
Post pics if you get that 80mm on there.

ZZP used to make a 78mm throttle body. Looked like a stock L67 TB, but was larger. That was over 10 years ago now I think. I have seen people make a larger aftermarket LS cable style TB work.

I am actually having a local machine shop port a extra Northstar TB I have. Should be able to get it to 78mm. Will need to make a larger throttle blade though. Going to port the inlet of a Gen V to match.
 
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