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08-19-2012, 12:24 AM
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#1 |
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3" Exhaust
Join Date: Jun 2011
Location: Wisconsin
Posts: 177
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I found a site that had cometic gasket and when i was reading their little article I saw that they recamend going .5mm over your bore size even on stock bore sizes. Is that really suppose to be safer? heres the link. It says this stuff at the bottom. http://www.raceeng.com/techsheets/cometic.pdf
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1988 7M-GTE Manual Turbo, Godspeed IC, Stock HG Torque to 90FP W/ Arp bolts, Silicon water hose kit, silicon vacuum hoses, Godspeed radiator, 2 12" electric fans. |
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08-19-2012, 03:24 AM
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#2 |
 Toyota Racing Development Join Date: Apr 2007
Posts: 5,038
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The HG is always bored out a little higher than the cylinder... even new. Going too big isn't good though either. Has you block been bored? If not 84mm is what you want.
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If something breaks or you need to contact a member of the administration please post HERE. Unless it's a private or administration matter please post it on the forum. It benefits no one else if car related questions aren't posted for future users and takes away from the time I'm able to spend helping on the rest of the forum. If you're so inclined I'm always more than happy to accept tips via PayPal.  Tip Jar --->  |
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10-15-2012, 02:15 AM
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#3 |
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3" Exhaust
Join Date: Jun 2011
Location: Wisconsin
Posts: 177
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No my block is not bored. I found this one on ebay. Let me know what you think.
http://www.ebay.com/itm/270890709376...84.m1423.l2649
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1988 7M-GTE Manual Turbo, Godspeed IC, Stock HG Torque to 90FP W/ Arp bolts, Silicon water hose kit, silicon vacuum hoses, Godspeed radiator, 2 12" electric fans. |
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10-17-2012, 12:23 PM
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#4 |
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Official hall monitor / search nazi - NO SOUP FOR YOU!
Join Date: Oct 2009
Location: Canada, BC
Posts: 837
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i payed 240$ for a 1.3mm mls cometic recently.
add up the shipping to the cost it may be worth it to just get it from a local auto parts store.
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1984 supra - 1uzfe - w58 - 4.10 - 1 piece aluminum shaft. |
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10-19-2012, 01:36 AM
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#5 |
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20psi boost
Join Date: Dec 2009
Location: Harrisburg
Posts: 759
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Supra store has the titan 1.4mm MHG for $119. If what cre says is true it should be the same as a cometic.
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10-19-2012, 04:33 AM
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#6 |
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Toyota Racing Development Join Date: Apr 2007
Posts: 5,038
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Has anyone dealt with Suprastore in the past five years? I'd like to see some actual feedback to know if they've cleaned up their act or not.
Cometic and Titan are visually the same. I've spoken to two store owners who would neither confirm or deny that the two are the same but both agreed that "yes they seem the same". I think the Titan are shipped in bulk packaging where the Cometic have a branded package. The Cometic are available in more sizes, IIRC.
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If something breaks or you need to contact a member of the administration please post HERE. Unless it's a private or administration matter please post it on the forum. It benefits no one else if car related questions aren't posted for future users and takes away from the time I'm able to spend helping on the rest of the forum. If you're so inclined I'm always more than happy to accept tips via PayPal. Tip Jar ---> |
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10-29-2012, 01:55 AM
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#7 |
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3" Exhaust
Join Date: Jun 2011
Location: Wisconsin
Posts: 177
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yes i realize the 1.4mm is cheaper, but as Cre stated above, I should look for a 1.8mm.
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1988 7M-GTE Manual Turbo, Godspeed IC, Stock HG Torque to 90FP W/ Arp bolts, Silicon water hose kit, silicon vacuum hoses, Godspeed radiator, 2 12" electric fans. |
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| headgasket, mhg |
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