Post here if you run WITHOUT a blow-off-valve

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Jun 13, 2010, 06:16 AM

#31

sparky

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Quote:

Originally Posted by SpoolinUp

Grand National's didn't run a BOV....but that is because they are all automatics. Correct me here if I am wrong about that. Going strictly off memory. They would still surge when letting off the throttle though. Remember this strictly from dynoing one....

I bought my Buick Turbo Regal new in '87 and drove it with the stock turbo for a couple years but experienced no compressor surge whatsoever with the totally stock setup except for a K&N filter.

Later, I went through a couple of upgrade TO4 type turbos and experienced varying amounts of surge. The TE-60 was a slow spooler and did not surge. The John Meyers TE-50 whlch was similar to the more widely used TE-44 except for it had a larger, clipped H2 turbine wheel, barked like a sick chipmunk on throttle letoff and whenever accelerating under light load. Eventually, I had to have that turbo rebuilt as the seals went on it.

So, you can experience compressor surge even on an automatic tranny car.

Last edited by sparky; Jun 13, 2010 at 06:19 AM.