I was wondering what kind of drops in IAT's everyone is seeing from the gm dualpass endplate. I have a cobra heat exchanger and an extra coolant tank ready to be put on and got to wondering if I could just put the heat exchanger and the extra tank on and see good drops without the endplate because of the extra cooling capacity. I really dont want to take the intake manifold off and the dealer wants an arm and a leg to do it. I dont plan on taking the car past gm stage 2 with a 2.9 pulley anyway so I dont think it would be worth the time and money to install the endplate, let me know what you guys think. I also have a extra endplate I bought off of here if someone wants to buy it for their own dualpass.

 

i may want the endplate, pm me a price

but from what i have heard it is worth it to do. how much does the dealer want?

 

Well crate engine depot quoted me 525.00 for the install.

 

ouch lol

thats more than it cost to install my stg 2 lol

 

Yea the stage 2 they quoted me 267.00

 

Bump

 

Anyone out there with good info.

 

Most people run 2.9's without any cooling mods . I think that the more cooling the better though. The extra HE should be plenty for what your running .

 

Running mine with the GM stage 3 endplate and Option "B" for cooling with a 2.9 zzp. I don't know how much it dropped the IAT but guys have said that with option B it's the same as an HE. held up pretty good for me so far