IC psi drop expected? - Boost Forum

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IC psi drop expected?
Saturday, December 10, 2005 11:35 AM

How much psi drop is expected after adding a 30x6x3" Intercooler.?

tnks

Re: IC psi drop expected?
Saturday, December 10, 2005 11:49 AM
Ask the manufactuer of the intercooler. If they don't know.....I would get it pressure tested to make sure its even worth running.


1988 Pontiac Fiero, engine transplant underway.
2004 ECOtec, built and boosted
Re: IC psi drop expected?
Saturday, December 10, 2005 11:50 AM
maybe a pound .... a pound and a half.... just a guess... you won't know till you drive it .........take the psi you see on your guage....... minus the psi of your wastegate spring....

thats how much your loosing.........

so say you have an 8 pound waste gate spring ...

so you see 8 psi before you add the i/c........

you then see 6.7psi once you add the i/c...

thats your loss.....

Lee




JDM Civic Hatch
Status: Parting Out Turbo Kit....
14.224 @ 102.01MPH @ 5.5psi.... 2.3 60'
Next: Civic JDM B16a2 w/GSR LSD Turbo - Goal 300whp 1400lbs...
Re: IC psi drop expected?
Saturday, December 10, 2005 11:55 AM
Lee wrote:maybe a pound .... a pound and a half.... just a guess... you won't know till you drive it .........take the psi you see on your guage....... minus the psi of your wastegate spring....

thats how much your loosing.........

so say you have an 8 pound waste gate spring ...

so you see 8 psi before you add the i/c........

you then see 6.7psi once you add the i/c...

thats your loss.....

Lee


Not really..... The only way to know for sure is to have 2 boost gauges, one before the intercooler and one after it.


- 93 mph in the 1/8 mile
Member of J-Body Of Michigan.

Re: IC psi drop expected?
Saturday, December 10, 2005 12:02 PM
ya thats the FOR SURE WAY ....

true enough skilz....

true enough ........

Lee


JDM Civic Hatch
Status: Parting Out Turbo Kit....
14.224 @ 102.01MPH @ 5.5psi.... 2.3 60'
Next: Civic JDM B16a2 w/GSR LSD Turbo - Goal 300whp 1400lbs...
Re: IC psi drop expected?
Saturday, December 10, 2005 3:31 PM

Nice, I will put another boost gauge inline with my wastegate actuator to see the difference.

Buying one......

Now, what is pressure tested.? It's is just to see if it has any leak or something more complicated.

tnks
Re: IC psi drop expected?
Saturday, December 10, 2005 3:41 PM
why do you care about your psi drop .... just know what PSI your spring is in your actuator
and get a MBC to control it anything above and beyond

Lee


JDM Civic Hatch
Status: Parting Out Turbo Kit....
14.224 @ 102.01MPH @ 5.5psi.... 2.3 60'
Next: Civic JDM B16a2 w/GSR LSD Turbo - Goal 300whp 1400lbs...
Re: IC psi drop expected?
Saturday, December 10, 2005 9:28 PM
He should care about what kind of PSI drop his intercooler has. If its dropping more than 2psi, he should get it pressure tested or get a new one. Might as well do it right the first time.


1988 Pontiac Fiero, engine transplant underway.
2004 ECOtec, built and boosted
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