# Orr89rocz's 1989 Camaro Iroc-z 5.7L **URL:** \ **Category:** Builds\ **Created:** [March 12, 2007, 9:09pm UTC](https://forums.speedlife.net/t/orr89roczs-1989-camaro-iroc-z-5-7l/188547 "2007-03-12T21:09:21Z")\ **Posts on this page:** 1\ **Showing post:** 652
**Author:** ![Quik](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/quik/32/5979_2.png) [@Quik](https://forums.speedlife.net/u/Quik)\ **Post date:** [December 20, 2009, 8:33pm UTC](https://forums.speedlife.net/t/orr89roczs-1989-camaro-iroc-z-5-7l/188547/652 "2009-12-20T20:33:08Z")
> [@Say hello to the manliest sandwich you will ever eat.](https://forums.speedlife.net/t/say-hello-to-the-manliest-sandwich-you-will-ever-eat/41838/37): > > [404 | Treadstone Performance](http://www.treadstoneperformance.com/product.phtml?p=312&cat_key=63&prodname=TRTTC+Twin+Turbo+Intercooler%2C+Chevy%2C+Corvette%2C+GM%2C+Viper)… > > Core Size, 25" X 9" X 3.5" > > I dont know what my IAT rise is, as i dont believe my sensor is picking up the right air temps. It never got above 135 at the track but at the dyno it saw 150 on the final pulls but doesnt change much at all during the entire pull so i dont think its working 450 one you got? thinking i want a 4" core one if not i might just get some off ebay and tig them together what ARs on those 60s? mine are 68 thinking of upgrading --- _[View the full topic](https://forums.speedlife.net/t/orr89roczs-1989-camaro-iroc-z-5-7l/188547)._