doubt with q45 90mm TB and Intercooler!

[CarlosPTR210]

Hi all!

I continuew with my engine modification, this time I buy a Q45 90mm TB, but my intercoller inlet and outle are 3", Do I need a biger intercooler?

I making a new intake for the Q45 TB, and also I will change the IC piping to 3.5".

Also I change the turbo.

 

[starscream5000]

You typically want you smallest diameter piping to be .5" smaller than the ID of the throttle body, as they do not flow the same as a piece to tubing due to the throttle plate. This of course, doesn't necessarily apply to BB turbos as they have proven they like to go against logic as far as flowing air .

 

[tlo86]

you dont need bigger IC pipes, unless you really want to...

 

[CarlosPTR210]

you dont need bigger IC pipes, unless you really want to...

I want to have a DD car of 500Hps at the wheels!, so what size of IC do do you think that will be the best for my goal?

I have stock ecu with Lex MAF and rc 550cc inyectors + Spexi SAFC II.

 

[turbogate]

I want to have a DD car of 500Hps at the wheels!, so what size of IC do do you think that will be the best for my goal?

I have stock ecu with Lex MAF and rc 550cc inyectors + Spexi SAFC II.

2.5in from turbo to intercooler, 3in from intercooler to TB (with a 3in-3.5in reducer for my Q45 TB) is what I'm running. this should be good for your needs.

 

[CarlosPTR210]

2.5in from turbo to intercooler, 3in from intercooler to TB (with a 3in-3.5in reducer for my Q45 TB) is what I'm running. this should be good for your needs.

Thanks! :biglaugh:

 

[TurboStreetCar]

2.75 is ideal diameter IC piping for those goals for optimum charge speed.