Question concerning Bigger TBs [Archive] - GrandAmGT.com Forum

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zukiracer19
06-25-2008, 07:05 AM
Whats the point of having a bigger TB if your intake piping is only 3 inches??

Nick-G
06-25-2008, 12:16 PM
Most aftermarket TB's are 65mm which is about 2.5 inches.

So what do you mean only 3 inches?

An aftermarket TB doesn't even have a 3 inch opening so you can only imagine how small the stock one is.

zukiracer19
06-25-2008, 12:54 PM
sorry didtn really think about it, they look huge in picture :D

stewartfn18
06-25-2008, 03:10 PM
because along with the exhaust, the intake side if the engine is the biggest choking point. open those two things up and you unleash power that wasnt there before