t-4/t67 ball bearing
07-01-2007, 04:06 PM
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t-4/t67 ball bearing
I was wondering how much faster the bb version t4/t67 spools up ,my setup is 2.0 ls/vtec stock type r heda type r cams 9:01 compression full-race undivided t4 topmount shooting for 650whp and just wondering if the bbversion t67 worth it 70% track and 25%street and 5 % sitting in the garage 
07-01-2007, 05:45 PM
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Re: t-4/t67 ball bearing (sluggo)
thats to late alreday have mani and not going to sell it and i am not goibg to shell out $700 in wastegates
07-01-2007, 06:29 PM
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Re: t-4/t67 ball bearing (sluggo)
The spoolup wont be that much better form the non-bb to bb, its the transition and between gears that's different. Typically a BB turbo will fall out of boost less between shifts than a non-BB. I have that same turbo and made 670whp @ 30lbs on a 83mm gsr motor.
Adriano
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07-01-2007, 07:10 PM
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Re: t-4/t67 ball bearing (Adriano)
<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by Adriano »</TD></TR><TR><TD CLASS="quote">The spoolup wont be that much better form the non-bb to bb, its the transition and between gears that's different. Typically a BB turbo will fall out of boost less between shifts than a non-BB. I have that same turbo and made 670whp @ 30lbs on a 83mm gsr motor.
Adriano</TD></TR></TABLE>
NICE!, is that power that made u go 10.2?, i would like to know more too, i just recieved my T4 divided manifold from full race.
Adriano</TD></TR></TABLE>
NICE!, is that power that made u go 10.2?, i would like to know more too, i just recieved my T4 divided manifold from full race.
07-01-2007, 07:20 PM
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Re: t-4/t67 ball bearing (Dual Cam Racing)
<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by Dual Cam Racing »</TD></TR><TR><TD CLASS="quote">
NICE!, is that power that made u go 10.2?, i would like to know more too, i just recieved my T4 divided manifold from full race. </TD></TR></TABLE>
Oh really?
NICE!, is that power that made u go 10.2?, i would like to know more too, i just recieved my T4 divided manifold from full race. </TD></TR></TABLE>
Oh really?
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07-02-2007, 06:35 AM
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Re: t-4/t67 ball bearing (sluggo)
<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by sluggo »</TD></TR><TR><TD CLASS="quote">so when do u hit full boost with that turbo</TD></TR></TABLE>
Very common question and very different fro everyone really. Spool comes from many thingsm is the turbo have an oil restrictor to limit oil pressure, less oil pressure(to a certyain extent) will help the turbo spool quicker, downpipe and exhaust size affects spool as well, your motor size, head work etc etc.
Now on my old 84mm B16A full boost was at 6700rpm BUT also ran up to 10,700rpm had a 3" dp only and a great ported head . BB turbo would spool about 2-300 rpm sooner and quicker with a 4" dp and also things in the tune can affect that as well
I am sure Anthony will come in here soon and let us know how his turbo spooled, he has a new manifold now also SO he should have new results too. I can't remember what turbo he is gonna run though
Very common question and very different fro everyone really. Spool comes from many thingsm is the turbo have an oil restrictor to limit oil pressure, less oil pressure(to a certyain extent) will help the turbo spool quicker, downpipe and exhaust size affects spool as well, your motor size, head work etc etc.
Now on my old 84mm B16A full boost was at 6700rpm BUT also ran up to 10,700rpm had a 3" dp only and a great ported head . BB turbo would spool about 2-300 rpm sooner and quicker with a 4" dp and also things in the tune can affect that as well
I am sure Anthony will come in here soon and let us know how his turbo spooled, he has a new manifold now also SO he should have new results too. I can't remember what turbo he is gonna run though
07-02-2007, 08:16 PM
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Re: t-4/t67 ball bearing (sluggo)
i think what they are saying is its not so much when it hits full boost its the transition when u shift it doesnt fall out of boost quite as easily but then again i could be wrong
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