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04-22-2011, 08:27 PM
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#1 |
 Toyota Racing Development Join Date: Apr 2007
Posts: 5,038
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Stock dish is 3mm below the crown. I don't know what's up if you've actually got different pistons; Usually the high readings are the result of oil draining into the cylinders from the plug galley.
Danny, what's your timing set to? Retarded timing (both mechanical and ignition) will cause higher engine temps.
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04-22-2011, 08:40 PM
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#2 | |
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12psi boost
Join Date: Mar 2007
Location: Sacramento, Ca
Posts: 373
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Quote:
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04-22-2011, 09:07 PM
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#3 |
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Toyota Racing Development Join Date: Apr 2007
Posts: 5,038
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156psi optimum, 124psi min. If your engine was PERFECT and just had a lot of carbon buildup you still wouldn't see much past the lower 160's.
JDM uses the same pistons. That's GE by the way; GTE is supposed to be about 15psi lower.
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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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04-22-2011, 09:28 PM
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#4 |
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walbro fp
Join Date: Dec 2010
Location: spokane
Posts: 479
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piston dish that on the pistons i bought was exactly as you said cre, 3mm, just under 1/8th inch (if my math is correct...??). i do remember gauging the other pistons and they are just under 1/16th inch, prolly around 1.5mm. so ill have to figure out what the serial number is today. ill get one and post back soon.. im very curious about these two sets of pistons i have...might have to use them in another build if i can find a good block. high compression 7mge
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87 toyota 4x4 single cab short box pickup, 7MGZE. |
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04-22-2011, 11:47 PM
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#5 |
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12psi boost
Join Date: Mar 2007
Location: Sacramento, Ca
Posts: 373
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so just an update, block tested it today and it is blown
 I hate life
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04-23-2011, 12:39 AM
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#6 |
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Toyota Racing Development Join Date: Apr 2007
Posts: 5,038
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Meh, still better than a hole in the side of the block with a mangled rod protruding.
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04-23-2011, 07:32 AM
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#7 | |
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walbro fp
Join Date: Dec 2010
Location: spokane
Posts: 479
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Quote:
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87 toyota 4x4 single cab short box pickup, 7MGZE. |
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