Is it safe to boost with 85mm bore

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Old Dec 20, 2006 | 12:04 PM
  #1  
1998turboR's Avatar
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From: fairfield, ca, USA
Default Is it safe to boost with 85mm bore

This is my set up but people told me i should be worried about my engine because i was using 85mm bore even though i have a sleeved block is this true


B18c5
golden eagle sleeves
CP pistons 9:1 compression 85 mm bore
pauter rods
Rev springs and retainers
3 angle vavle job
toda cam gears
Drag turbo kit
T 3/4 turbo .57 trim
Drag manifold and 2.5 Dp
spoon exhaust soon to upgraded to a 3 inch
Rc 550cc injectors
exedy stage 2 clutch
fidanza flywheel
p 72 chipped and hooked up to hondata s200 W/ boost
greddy boost controller
autometer phantom guages
Drag intercooler
custom dumptube
Blitz bov
tial wastegate
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Old Dec 20, 2006 | 12:08 PM
  #2  
Snafubmx234's Avatar
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Default Re: Is it safe to boost with 85mm bore (1998turboR)

As long as it's tune correctly, you'll be just fine.

I'm sure that rev-hard kit will compliment it nicely, though
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Old Dec 20, 2006 | 01:30 PM
  #3  
Schister66's Avatar
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From: Phoenix, AZ
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lol...the engine build is nice but the turbo setup is kinda crappy in comparison.....
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Old Dec 20, 2006 | 03:14 PM
  #4  
1998turboR's Avatar
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From: fairfield, ca, USA
Default Re: Is it safe to boost with 85mm bore (1998turboR)

Yeah i know i bought the drag kit because the price was decent and it had almost everything i needed. I blew the motor and then decided to build it so i shouldnt have a problem. I wanted to make sure i used good parts so i wouldnt have to rebuild anytime soon. Many people are telling me that 85mm is just to big even if its sleeved. It has me worried now. I was curious if more people had any opinions on this. Is it that i might have a problem, will have a problem just not sure when or that if everything was done correctly by the shop that did the work i shouldnt have a problem. And i know you said that my turbo and parts from the drag kit are not that great what would you change in that aspect and what would you change it to. I am happy with the hp now i think 321 whp is decent for a daily driver
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Old Dec 20, 2006 | 05:21 PM
  #5  
zexxbo's Avatar
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Default Re: Is it safe to boost with 85mm bore (1998turboR)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by 1998turboR &raquo;</TD></TR><TR><TD CLASS="quote">Yeah i know i bought the drag kit because the price was decent and it had almost everything i needed. I blew the motor and then decided to build it so i shouldnt have a problem. I wanted to make sure i used good parts so i wouldnt have to rebuild anytime soon. Many people are telling me that 85mm is just to big even if its sleeved. It has me worried now. I was curious if more people had any opinions on this. Is it that i might have a problem, will have a problem just not sure when or that if everything was done correctly by the shop that did the work i shouldnt have a problem. And i know you said that my turbo and parts from the drag kit are not that great what would you change in that aspect and what would you change it to. I am happy with the hp now i think 321 whp is decent for a daily driver</TD></TR></TABLE>

me, personally, i would change the turbo manifold and the downpipe.
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Old Dec 20, 2006 | 06:53 PM
  #6  
HamiltonRex's Avatar
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From: GTA Ontario.
Default Re: Is it safe to boost with 85mm bore (zeimbo)

if he dosnt have any hardcore plans for the car, the engine is overbuilt which is fine, he can still make mid 300's on that setup, which is all that some people want.
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Old Dec 20, 2006 | 07:09 PM
  #7  
camp1320.com's Avatar
 
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From: PORN CAPITAL OF THE WORLD, Ca, usa
Default Re: Is it safe to boost with 85mm bore (HamiltonRex)

If you got O ringed block and good tune you sould be fine ... the o ring will help eith that extra seal around the thin sleeves
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Old Dec 20, 2006 | 10:46 PM
  #8  
cuin9sec
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Default Re: Is it safe to boost with 85mm bore (camp1320.com)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by camp1320.com &raquo;</TD></TR><TR><TD CLASS="quote">If you got O ringed block and good tune you sould be fine ... the o ring will help eith that extra seal around the thin sleeves</TD></TR></TABLE>

true...i had a 85mm boosted ls/vtec and it popped head gaskets daily...if i got into it. finally sold it to a dude that o-ringed it and it ran perfect for him.
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