Safe Boost

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Old Sep 20, 2001 | 03:19 PM
  #26  
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Default Re: Safe Boost (jinxproof99)

run 440's with a afc and 12:1 fmu. thats what i run. at 9:1 compression and pistons, with what i've listed, you will have no problems running 14 lbs on pump gas. with stock pistons/compression, run a inline pro headgasket instead and still run 12 lbs on pump gas. just tune it correctly. you can run 20+ lbs on race gas. i run the headgasket and have had NO problems.
What type of gas mileage do you get with those 440's?

Are you also suggesting to lower the compression with the inline pro headgasket? Also what kind of fuel pump are you using?
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Old Sep 20, 2001 | 03:50 PM
  #27  
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Default Re: Safe Boost (dragonsmp)

no flame intended but, how can you be worried about mpg when your about to blow up a $3000 motor??? at this point, gas milage is the LAST thing i'm worried about. and don't laugh cause your right behind me. you have obviously spent a chunk of change/time on your set up already and your getting ready to keep on spendin. point is.....**** gas milage when your almost capable of running 11's. inline pro has a full interior civic coupe running a stock block/head b18c1 w/turbo running 11.80's. oh yeah, thats stock ecu too. you should give them a call and pick up one of their headgaskets(approx $300), afc, bbk fuel pump, 440's, fmu, and you'll be hittin the 11's!!!!!

inline pro 703-644-1788
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Old Sep 21, 2001 | 07:19 AM
  #28  
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Default Re: Safe Boost (jinxproof99)

no flame intended but, how can you be worried about mpg when your about to blow up a $3000 motor??? at this point, gas milage is the LAST thing i'm worried about. and don't laugh cause your right behind me. you have obviously spent a chunk of change/time on your set up already and your getting ready to keep on spendin. point is.....**** gas milage when your almost capable of running 11's. inline pro has a full interior civic coupe running a stock block/head b18c1 w/turbo running 11.80's. oh yeah, thats stock ecu too. you should give them a call and pick up one of their headgaskets(approx $300), afc, bbk fuel pump, 440's, fmu, and you'll be hittin the 11's!!!!!

inline pro 703-644-1788
Oh... I am not worried about the cost of gas. I just wanted to know basically what to expect. hehe. That would be incredible if I ran high 11's with only adding 440's and a head gasket. I would definately be a happy camper. How much boost do you think I would have to run to be in the 11's.
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Old Sep 21, 2001 | 08:04 AM
  #29  
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Default Re: Safe Boost (dragonsmp)

Also about running 11's with an inline pro head gasket....I believe they also recommend a specific spec turbo. Such as a stage 5 wheel with a .65 a/r. Pls. correct me if Im wrong.

Also from my own experience with running safe boost:

My car had about 70 passes before the piston cracked (cracked between the two compression rings). I have been boositing 9psi at the track with race gas. Also, I daily drive this car at 6psi.

I have venom 450's, fmu, vafc, holley in tank.

I knew that it was gonna go sooner or later so I was not upset about it. I was actually surprised it held that long.
When i say i daily drive my car, I put about 300 miles a week, and they were not all easy driving.

Before the motor went, I was consistently running 12.50's at 112, my best being a 12.39@113.
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Old Sep 21, 2001 | 08:41 AM
  #30  
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Default Re: Safe Boost (FIxALPHA)

Also about running 11's with an inline pro head gasket....I believe they also recommend a specific spec turbo. Such as a stage 5 wheel with a .65 a/r. Pls. correct me if Im wrong.

Also from my own experience with running safe boost:

My car had about 70 passes before the piston cracked (cracked between the two compression rings). I have been boositing 9psi at the track with race gas. Also, I daily drive this car at 6psi.

I have venom 450's, fmu, vafc, holley in tank.

I knew that it was gonna go sooner or later so I was not upset about it. I was actually surprised it held that long.
When i say i daily drive my car, I put about 300 miles a week, and they were not all easy driving.

Before the motor went, I was consistently running 12.50's at 112, my best being a 12.39@113.
What kind of motor were you running and how many miles? Damn... that sucks. A blown motor at 9psi.
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Old Sep 21, 2001 | 09:26 AM
  #31  
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Default Re: Safe Boost (dragonsmp)

Ok, let's add my car to the situation and tell me what you guys think of my setup.

1998 Civic EX (D16Y8)
GReddy TD04
FMIC
Type S BOV
AVC-R
V-AFC
10:1 FMU
BBK 255lph intank
I have some Prelude injectors in my garage (not sure if they are OBD-I 330cc or OBD-II 270cc's) that I haven't installed yet and I'm not sure that I need to yet. With this setup, what do you guys think would be a reliable boost setting for the car? My intention was 6-7psi daily, 10psi for the track. Sound reasonable? I know of alot of Turbo D16 guys who run similar setups at 8+psi reliably, but I wanted to run this through you turbo guru's and see what you all think.


[Modified by VTC_CiViC, 1:27 PM 9/21/2001]
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Old Sep 21, 2001 | 09:57 AM
  #32  
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Default Re: Safe Boost (VTC_CiViC)

I used to have the D16 motor and I would start to detonate at 9 psi. After I lowered the compression with a 2mm Greddy Head Gasket I was boosting 16 psi with no problems and running high 13's.
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Old Sep 21, 2001 | 09:59 AM
  #33  
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Default Re: Safe Boost (VTC_CiViC)

Back to the original post.

He did say the engine has 140K miles on it right? it could be that the compression is way down due to ring seal wear and then he could boost to 14 psi no problem. Of course his blow-by is abnormally high but if he has the ole' filter on the valve cover, he would never notice.

Any chance you could compression test your motor and post the numbers on all four cylinders?

Randy
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Old Sep 21, 2001 | 10:31 AM
  #34  
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Default Re: Safe Boost (RGAZ)

Back to the original post.

He did say the engine has 140K miles on it right? it could be that the compression is way down due to ring seal wear and then he could boost to 14 psi no problem. Of course his blow-by is abnormally high but if he has the ole' filter on the valve cover, he would never notice.

Any chance you could compression test your motor and post the numbers on all four cylinders?
No the motor only has 28,000 miles on the motor... that is why I paid up the *** for it.

Compression numbers:
210
210
205
210

is that good?
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Old Sep 21, 2001 | 10:45 AM
  #35  
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Default Re: Safe Boost (dragonsmp)

Compression numbers:
210
210
205
210

is that good?
On what kind of motor. If that is a stock GSR I would say yes that sound good to me.
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Old Sep 21, 2001 | 10:59 AM
  #36  
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Default Re: Safe Boost (FIxALPHA)

Also about running 11's with an inline pro head gasket....I believe they also recommend a specific spec turbo. Such as a stage 5 wheel with a .65 a/r. Pls. correct me if Im wrong.
they might recommend a turbo, but any t3/4 will put you into the 11's. i run the smaller 3/4 that came in the rev hard kit. a stage 5 wheel will net you a little better top end but is not a "must have"
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Old Sep 21, 2001 | 11:42 AM
  #37  
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Default Re: Safe Boost (92CivicSiR)

Compression numbers:
210
210
205
210

is that good?

On what kind of motor. If that is a stock GSR I would say yes that sound good to me.
Yes... stock GSR.
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Old Sep 21, 2001 | 11:54 AM
  #38  
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Default Re: Safe Boost (dragonsmp)

I used to have the D16 motor and I would start to detonate at 9 psi. After I lowered the compression with a 2mm Greddy Head Gasket I was boosting 16 psi with no problems and running high 13's.
You just needed to retard the timing a little. I am running 14psi with it all stock. (including the head gasket)

liam
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Old Sep 21, 2001 | 11:56 AM
  #39  
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Default Re: Safe Boost (RGAZ)

Back to the original post.

He did say the engine has 140K miles on it right? it could be that the compression is way down due to ring seal wear and then he could boost to 14 psi no problem. Of course his blow-by is abnormally high but if he has the ole' filter on the valve cover, he would never notice.

Any chance you could compression test your motor and post the numbers on all four cylinders?
thats my motor..i have 140k on mine. I did a compression test before i installed the turbo and it was 110-120 on each cyl. Now remember i live at 5400 feet..so a low compression is normal. I will do another one this weekend and let ya all know.

liam
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Old Sep 21, 2001 | 01:06 PM
  #40  
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Default Re: Safe Boost (liam821)

My first motor that I blew was a stock motor. It had approx. 55k miles. I know blowing it at 9psi is kinda low, but like I said I daily drove that car for a year, and three years prior to that, I have been racing all motor.....I have so many time slips on the all-motor days I cant even count it.(I saved most of my time slips.)

Anyone running at Englishtown for the NHRA event?
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Old Sep 22, 2001 | 11:34 AM
  #41  
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Default Re: Safe Boost (dragonsmp)

I think the original guy just has a faulty boost gauge.
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Old Sep 22, 2001 | 11:41 AM
  #42  
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Default Re: Safe Boost (Prelude_RCR)

Yeah probably a faulty boost gauge... I think both the Apex AVC-R reading .97 ~ bar and the Autometer visual boost gauge displaying 14lbs are incorrect. Also the fact that I was beating a stock viper at the races means that I was only running like 5 psi. I wish it were a faulty boost gauge and my **** was that quick.
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Old Sep 22, 2001 | 11:47 AM
  #43  
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Default Re: Safe Boost (dragonsmp)

Sarcasm sarcasm
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