VERY dissapointed with these 2....

[Violent84]

I doubt that changing back to your other pulley will help much. You can always try though. I'd go to a 160 stat and drain the system , flush it good, and fill it back with straight water and add some 40 below.
Just my $.02.

later,
Violent

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84 GT-350, 2.5" Ram air hood, Centerline Pintails, 5-lug conversion, Recaro's, 140 speedo, 8.8 conversion, 3.73's, Motorsport A/C eliminator, Hurst shifter, ASP pulleys, Eibach pro kit, KYB's, Flowmaster exhaust, Long tubes, Custom X-pipe, Extreme Energy 268 Ported stock heads, Pete Jackson Gear drive, Weiand Xcelerator intake, and more to come!