[Supras] Which MHG to use??

Rockey Fox supr91tt at yahoo.com
Tue Feb 13 09:05:33 CST 2007


I went with the 2.0 mm Cometic at rebuild with very little material removed to clean up head and block surfaces. I'm sure I lost some compression but I'm able to run regular unleaded ump gas and boosting ~ 10psi without spark knocking. My newly rebuilt CT-26 with 57 trim pulls really hard over 3000 rpm's and I can still light the tires up in first gear with minimal effort. 
My only mod's are 2.0mm Cometic head gasket, 57 trim CT-26, 3" defcon down pipe, 3" exhaust and FIPK, currently ~ 10 psi boost using the shimmed wastegate method. I do occasionally hit fuel cut at WOT when ambient temps are below 40 degree's F.

Rockey 91T

----- Original Message ----
From: "SPOOLED91T at aol.com" <SPOOLED91T at aol.com>
To: supras at supras.com
Sent: Monday, February 12, 2007 8:28:36 AM
Subject: [Supras] Which MHG to use??

Another HG bites the dust. It was the factory one on an imported motor so  no 
biggie, but now i need to figure out which MHG to use.  I think i  remember @ 
some point someone saying that the Greddy gasket had more water  passage 
holes than the HKS, but ive never seen either of them. Also i know that  the 
thickness is a big choice, but id like to keep as much compression as  possible 
unless the 2.0mm gasket is just the one to have hands down.
 
Can anyone point me in a general direction on this matter?  Im running  an 
upgraded CT-26 made into a 60-1. Id really like to turn the boost on up from  
10psi to around 15-18ish before evenutally going to a bigger aftermarket setup  
later on. Motor is internally stock and sound. I am also installing my new ARP 
 studs this go round also!! ;-)  

Jason  Green
91 MA71 (BHG)
05 XRunner

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