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Re: Strappin' the Intercooler - '87 %KCSQT

If you run that kind of pressure, you may have to roll a lip on the
intercooler pipe if one isn't there already.  I've never done it but I
have heard it is necessary for high pressures.  Even with the lip, I once
blew one off my intake plenum at 15psi (I believe it peaks at 15psi.)
Thats what my gauge reads but spikes could put it higher.  That may be
what's happening to you.


"Swann, Benjamin (BSWANN)" wrote:

> I'd appreciate a prompt reply on how to strap an intercooler for an
> '87 5kcsqt or similar.  My additional turbo boost mod is working too
> good, and it blew out the side a second time after the plumbing strap
> I'd wrapped around and tightnened did not keep it together.  I think
> I'm getting around 20 PSI of boost off the ECU port, but haven't
> gotten enough test runs to be sure.
> Also any other hose modifications to perform while I'm doing this for
> the second time.  That rubber hose right off the turbo has me
> surprised it didn't blow first! Any good hardware store available
> replacements?  Michelin Man seems OK for now.
> Appreciate quick replys to this address as I use the digest and I'd
> like to get any supplies before the end of the day.
> Thanks,
> Ben Swann
> '85 4ksq (The one gettin me around right now)
> '86 5kcstq (rebuilding - looks like I'll have to borrow its IC for
> now)
> '87 5kcstq Wagon - fixed the overboost fuelpump shutoff, and now
> trying to get the boost back :)'  Was acceleratin' good and POW!