Rear Mounted Turbo (scratch build)

96bigbody · 09-16-2010, 08:37 PM

Quote:

Originally Posted by 1slow370

ooohhhh long tubes are double edged sword on RMT's. get those babies jet hotted and wrapped stat.

Yep..Fbody guys that have long tubes put the stock manifolds back on.

jnaut · 09-17-2010, 07:23 AM

Quote:

Originally Posted by 96bigbody

Yep..Fbody guys that have long tubes put the stock manifolds back on.

We will see. Hopefully not but I still have all my original parts.

1slow370 · 09-17-2010, 07:39 AM

the original ones wouldn't be any better really because we don't have cast factory manifolds. what you are looking for is heat retention. Every body says it's exhaust heat that spins turbos and i know from doing a rmt that, that is crap but there is truth to it because the heat in the exhaust makes the air expand and that increases the pressure which does spool the turbo faster than air that is cooling down and causing a backup in the pipes. most of the heat is lost through the headers where the temperature delta is greatest, so with a rmt it is critical to coat and wrap exhaust components for maximum spool time reduction which equals more power, sooner. i would get the headers ceramic coated, and then wrap the whole system from the block to the turbo in heat wrap. of course jet hot would cost about $300 plus shipping and that much heat tape would be another 150 or so but the whole system could decrease the spool time by 300rpm or more, so from boost at 4000 to boost at 3700

09-17-2010, 07:39 AM	#3 (permalink)
1slow370 A True Z Fanatic Join Date: Aug 2009 Location: In the D Posts: 3,732 Drives: v8 74 260z ;) Rep Power: 7251	the original ones wouldn't be any better really because we don't have cast factory manifolds. what you are looking for is heat retention. Every body says it's exhaust heat that spins turbos and i know from doing a rmt that, that is crap but there is truth to it because the heat in the exhaust makes the air expand and that increases the pressure which does spool the turbo faster than air that is cooling down and causing a backup in the pipes. most of the heat is lost through the headers where the temperature delta is greatest, so with a rmt it is critical to coat and wrap exhaust components for maximum spool time reduction which equals more power, sooner. i would get the headers ceramic coated, and then wrap the whole system from the block to the turbo in heat wrap. of course jet hot would cost about $300 plus shipping and that much heat tape would be another 150 or so but the whole system could decrease the spool time by 300rpm or more, so from boost at 4000 to boost at 3700 __________________ ANSWER PRICE LIST Answers - - - - - - - - - - - - - - - - $0.75 Answers (requiring thought) - - - - $1.25 Answers (correct) - - - - - - - - - - $12.50

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