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I am sure you guys have heard this one before: What is the stock boost pattern?

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Old 11-30-03, 10:14 AM
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Question I am sure you guys have heard this one before: What is the stock boost pattern?

I did a search and milled through quite a few threads, but did not seem to find it. Maybe I am just search-impaired.
Old 11-30-03, 10:23 AM
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10-8-10

That is, 10 psi from whenever it builds (usually ~2800 rpm), a slight dip in boost at 4500 rpm down to 8 psi, then an immediate jump back up to 10 psi, and a solid 10 to redline.
Old 11-30-03, 10:53 AM
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Originally posted by 911GT2
and a solid 10 to redline.
That part depends on the car. A stock FD with no mods will trail back to 8 PSI and hold to redline. Modified FD's will be able to hold 10 PSI to redline:

http://www.scuderiaciriani.com/rx7/boost_test.html
Old 11-30-03, 01:04 PM
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Originally posted by Mahjik
That part depends on the car. A stock FD with no mods will trail back to 8 PSI and hold to redline. Modified FD's will be able to hold 10 PSI to redline:

http://www.scuderiaciriani.com/rx7/boost_test.html

Thats what I tend to see, I have an intake and downpipe, and mine still tails off to 8-9 psi around 7k rpm and holds that until redline.
Old 11-30-03, 02:32 PM
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that's exactly what I needed to know guys. Thanks!
Old 11-30-03, 02:56 PM
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well i get 13-8-13 uner WOT :\ i have a dp, intake, and catback

you want to see 10-8-10 though - anything over 12 is reaaal dangerous to your engine
Old 11-30-03, 08:45 PM
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1,000,000-8-1,000,000 under WOT, j/k

10-8-10 like they said above.

ALI
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