What compression do you run, In you built engine?

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Apr 23, 2004 | 10:25 AM

PGT Driver

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From: St. Louis, MO, USA

What compression do you run, In you built engine?

I am trying to get a feel for what compression you guys run in you cars. I dont care about stock so much, but more less what you run with a built motor and how many PSI your running.

Apr 23, 2004 | 11:04 AM

B18 CYA

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From: Nowhere, in, Canada

Re: What compression do you run, In you built engine? (PGT Driver)

JE 9:1 81mm Pistons, Eagle H Beam Rods, SRP Blockguard. Planning to run 12-15 psi...

Apr 23, 2004 | 11:24 AM

tygsr

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From: woods cross, ut, usa

Re: What compression do you run, In you built engine? (PGT Driver)

9:5:1..endyn rollerwaves..

Apr 23, 2004 | 11:33 AM

seen4ever

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From: Louisville, KY, US

Re: What compression do you run, In you built engine? (tygsr)

9.2:1 Endyn Rollerwaves, 81.5mm, b18c1.

Apr 23, 2004 | 12:00 PM

kpt4321

Joined: Jan 2003

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From: Manchester, NH, USA

Search for compression ratio there are a ton of big long threads with some good information.

Apr 23, 2004 | 12:23 PM

SupaTeg

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From: USA

Re: What compression do you run, In you built engine? (PGT Driver)

9.1 buddy

Apr 23, 2004 | 12:27 PM

Nextelbuddy

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From: GA

Re: What compression do you run, In you built engine? (SupaTeg)

9:1 je but i wish i would have went with 10:1 je pistons... wold be easier to make more power with less boost.

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Apr 23, 2004 | 04:43 PM

PGT Driver

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From: St. Louis, MO, USA

i dont drive a honda but i am just curoious as to what works for you guys, i mean hell if you guys can why cant i. I want to run maybe 10:1 or atleast 9.5:1

Apr 23, 2004 | 04:51 PM

94gsr4dr

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From: Turboville

Re: (PGT Driver)

9:8:1 cp's

Boost isn't important; its the power you want to make

Apr 23, 2004 | 04:59 PM

#10

PGT Driver

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From: St. Louis, MO, USA

Re: (94gsr4dr)

boost is important but i want higher compression too so i can make more power

Apr 23, 2004 | 05:00 PM

#11

g2turbo

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From: Cincinnati, OH, USA

Re: (94gsr4dr)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by 94gsr4dr »</TD></TR><TR><TD CLASS="quote">9:8:1 cp's

Boost isn't important; its the power you want to make</TD></TR></TABLE>

same here 81mm CP 9.8:1.

Apr 23, 2004 | 05:05 PM

#12

94gsr4dr

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From: Turboville

Re: (g2turbo)

i got 81.5's, but close none the less. When i plan out a motor i set a horsepower goal not a pressure goal.

Apr 23, 2004 | 05:32 PM

#13

11psiTurboSI

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From: Minnesota

Re: (94gsr4dr)

b16a2 stock bore (81mm) JE pistons-8.8:1cr

Apr 23, 2004 | 05:38 PM

#14

kpt4321

Joined: Jan 2003

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From: Manchester, NH, USA

Re: (PGT Driver)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by PGT Driver »</TD></TR><TR><TD CLASS="quote">i want higher compression too so i can make more power</TD></TR></TABLE>

In the end, you will make more power with lower compression and higher boost, as long as you are not limited by turbo sizing.

Apr 23, 2004 | 05:41 PM

#15

mildly.interesting

Joined: Oct 2002

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From: in the woods, NC, USA

8:5.1 Arias, pushing in the neighborhood of 22-25 lbs daily.....

represent....

Apr 23, 2004 | 05:45 PM

#16

USDM 4G VTEC

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From: OH

76mm SRP (JE) 9.0:1 forged pistons on Eagle H beam rods

hoping that 10-12 will not even tickle it

Apr 23, 2004 | 06:44 PM

#17

espanol

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From: 106 and Park

Re: What compression do you run, In you built engine? (PGT Driver)

je 9:1 stock bore, 14-21 psi on any given day.

Apr 23, 2004 | 06:51 PM

#18

illi Adik

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From: Frederick

Re: (PGT Driver)

9:8:1 JE's

Apr 23, 2004 | 06:51 PM

#19

vtec.dc2

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Re: What compression do you run, In you built engine? (PGT Driver)

10:1.. 260whp right now, i don't plan on making more than 300whp.. possibly 325whp

Apr 23, 2004 | 07:08 PM

#20

queez

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From: eastcoast

Re: What compression do you run, In you built engine? (vtec.dc2)

9.4:1 . cp pistons 84mm bore on b16a2

Apr 23, 2004 | 07:22 PM

#21

r1racer

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From: Irvine, CA

10:1 JE Pistons with Crower Rods

Apr 24, 2004 | 05:30 AM

#22

Soon_2b_evil

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From: Come to the, DarkSide

Re: (r1racer)

10.5 Wiseco pistons with a 84.5mm bore. ALmost done.

Apr 24, 2004 | 09:22 AM

#23

RAWB

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From: TheNine2Five, Ca, USA

Re: What compression do you run, In you built engine? (PGT Driver)

9:8:1 CP's/81.5mm
*GSR block w/B16 head = 9:6:1

Apr 24, 2004 | 09:46 AM

#24

Rod.

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From: TX

Re: What compression do you run, In you built engine? (RAWB)

9:1 cp pistons

Apr 24, 2004 | 09:56 AM

#25

g2turbo

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From: Cincinnati, OH, USA

Re: (kpt4321)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by kpt4321 »</TD></TR><TR><TD CLASS="quote">

In the end, you will make more power with lower compression and higher boost, as long as you are not limited by turbo sizing.
</TD></TR></TABLE>

3 bar? If you want to feel safe... sure run 8:1 compression and 40 lbs of boost. Im limited to a 3 bar system and feel no need to run over 28 lbs... which will most likely make my whp goal with my setup. Im also not worried about making 400 or more on pump gas. 10:1

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