What would you consider to be the psi limit for my motor?

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Old Jun 19, 2004 | 07:54 PM
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Default What would you consider to be the psi limit for my motor?

I am going to the dyno soon and i wanted to know what would be the mid-safe boost level to run on my setup, (Getting the car tunned)

TURBO sc61 t04s cover .70ar/.68
Setup
Head
Ferrera valves,retainers,guides,springs,locks
5 angle valve job with port polishing
Adj. Cam gears
Stock cams

Block
9:8:1 JE
Crower Billit Rods
Block Gaurd

EMS:
Hondata
Dig 6 MSD

Just post if you need any other information...
YES ITS GOING TO BE FINALY TUNNED....

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Old Jun 19, 2004 | 07:57 PM
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Default Re: What would you consider to be the psi limit for my motor? (TurboB18C1)

what are your goals??? i say 15 psi to stay reliable. you can run 25 if you want, just need good tuning.

Landon
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Old Jun 19, 2004 | 08:03 PM
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-iLLuZioN-B18C1's Avatar
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Default Re: What would you consider to be the psi limit for my motor? (TurboB18C1)

thats a cleannnnn bay. very nice. i say you could do 15 psi daily.
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Old Jun 19, 2004 | 08:51 PM
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Default Re: What would you consider to be the psi limit for my motor? (-iLLuZioN-B18C1)

i'd say 12psi max on a non sleeved block. wat size are your injectors ? and wat Fuel pump are you using ?
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Old Jun 19, 2004 | 09:01 PM
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Default Re: What would you consider to be the psi limit for my motor? (Bspec18)

you would be able to run more without the block gaurd.....
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Old Jun 19, 2004 | 10:20 PM
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Default Re: What would you consider to be the psi limit for my motor? (98gsrTEG)

I've seen people run around 18 psi with ur setup
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Old Jun 20, 2004 | 04:37 PM
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Default Re: What would you consider to be the psi limit for my motor? (Bspec18)

Injectors
CPR 850cc
Walbro 255 intank

Goals:
to be able to run mid to low 11's
What ever it takes to hit... 11's

Why is it ok to run more psi without a block gaurd ???
"you would be able to run more without the block gaurd.....:"
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Old Jun 20, 2004 | 04:49 PM
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Default Re: What would you consider to be the psi limit for my motor? (Turbocivic94)

18!!
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Old Jun 20, 2004 | 04:59 PM
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TurboJesse
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Default Re: What would you consider to be the psi limit for my motor? (TurboB18C1)

450whp...boost as a number is ghey
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Old Jun 20, 2004 | 05:04 PM
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Default Re: What would you consider to be the psi limit for my motor? (Mpir3)

so you are saying the motor can handle 450whp and psi is just a variable to reach that power?!
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Old Jun 20, 2004 | 05:15 PM
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yeah, that is what he said.
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Old Jun 20, 2004 | 05:16 PM
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Default Re: (wenlyone)

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Old Jun 20, 2004 | 05:20 PM
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TurboJesse
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Default Re: What would you consider to be the psi limit for my motor? (TurboB18C1)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by TurboB18C1 &raquo;</TD></TR><TR><TD CLASS="quote">so you are saying the motor can handle 450whp and psi is just a variable to reach that power?!
</TD></TR></TABLE>

im saying that with a good tune the 425-450whp level is relatively safe for your motors build. I wouldn't push it much past 450whp....it could take 18psi, 20psi, 22psi, etc. It really doesn't matter.
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Old Jun 20, 2004 | 05:42 PM
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Default Re: What would you consider to be the psi limit for my motor? (Mpir3)

Vishnu perfomance is going to tune the car, thanks for your information..
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Old Jun 20, 2004 | 06:38 PM
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Default Re: What would you consider to be the psi limit for my motor? (TurboB18C1)

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Old Jun 20, 2004 | 07:54 PM
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Default Re: What would you consider to be the psi limit for my motor? (TurboB18C1)

bob weir? from the gratefuldead?hmmm
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Old Jun 20, 2004 | 08:13 PM
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Default Re: What would you consider to be the psi limit for my motor? (honda9369)

so your running stock sleeves with your setup??
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Old Jun 20, 2004 | 08:25 PM
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PV=NrT

Pressure is obviously only one part of the equation...
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Old Jun 20, 2004 | 08:37 PM
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Default Re: (Bryson)

Ive seen guys with simliar setup to urs, with no block guard. Stock sleeves. Boosting 25psi !!!! I assume, jus to get a good Tune. You will be good. Im sure low 20psi will be Definately safe!
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Old Jun 20, 2004 | 11:14 PM
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beautifull setup
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Old Jun 21, 2004 | 01:43 AM
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Default Re: (calvinPGMFI)

hey turbob18c1 where are you located?
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Old Jun 21, 2004 | 05:27 AM
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Default Re: (ExcelcivicSi)

i say you would be able to run more boost without a block gaurd since the block gaurd causeshotspots and detonation. it also causes the wall to warp. because of this the block can not be boosted as much without the risk of detonation and warpage.
the bock gaurd doesn't really do any good. it doesn't prevent anything your motor will see if your only running 25psi or less. even highger than that, there are little to no side loads. even if there were, the block gaurd doesn't even reinforce the walls at the right place. the place in the motor that the motor would see the most side wall force is actully about half way down the sleeves. this is why the only sleeve maker who uses block posting on thier sleeves that does it right is golden eagle
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Old Jun 21, 2004 | 10:27 AM
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Default Re: (Bryson)

The Ideal gas law ... cant wait for the EFI course at riverside..

Any ways, thanks for your responses, ExcelcivicSi – I’m located near Napa, to the block guard question should I consider not to boost to high since it might knock but I will be using c16 gas during tuning or motor sport 109, so should I boost high to achieve the 450hp bench mark ?
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Old Jun 21, 2004 | 11:33 AM
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Default Re: (TurboB18C1)

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Old Jun 21, 2004 | 01:35 PM
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Default Re: (TurboB18C1)

I dont' think I would go over 15 psi with a blockguard. But even then I would be worried with it not being sleeved.
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