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RE: rev limiter; scarred s*&%tless
>one of those who needs to understand. So my question is does
my
> 5000CSTQ, 1988, have an engine rev limiter?
[...]
>tractor the engine
> cut out; my heart stopped; I'm not sure if I let up on throttle but
> just
> as suddenly it cut in; then out. It did this three times. I did not
> lose speed but lost acceleration each time. Just as I pulled in front
> of
> the truck I glanced at tach and it was just coming down from red
> region.
> My analysis after the fact is that I hit the rev limiter which
> dropped revs; re-accelerated hit it again and was in an oscillating
> mode.
>
I don't think it has a rev limiter, the owner manual doesn't say a word
about it. I also saw once my auto trans letting the revs go far into the
red area.
However, there is a boost pressure limiter that is supposed to cut the
fuel pump when the boost reaches 1.5 (according to the boost gauge in
the dash), so next time it happens watch the boost gauge rather than the
tach.
Alex
87 5KCST