Sluggish 8V92

[Don Bradner]

Without feeling it, it is hard to say. The 8V92 is an engine that has to rev
high before you get any torque going, so it is always slow off the line.

Just as described I would say that mine is the same, and is normal. That
includes turbo values. The only thing that is a question mark is your use of
"Lately" which implies that it didn't used to be that way.

Don Bradner
90 PT40 "Blue Thunder"
My location: http://www.bbirdmaps.com/user2.cfm?user=1

On 11/7/2012 at 7:43 PM Jerry wrote:

>I have a "1991 Bluebird Wanderlodge WB40" with a silver "8V92".
>
>Lately it has become painfully slow at accelerating from a dead stop. It
>is getting to the point of being unsafe to attempt to merge into traffic.
>
>Once you get it rolling down the highway, it isn't so bad...I have no
>problems maintaining 70mph.
>
>Turbo boost will show a bit over 20 for a max, but when accelerating from
>a stop, boost is less then 10, and the rpm's just don't want to rev up.
>
>When it is first started, when cold, it does not sound as smooth as I
>thought it used to.....almost like it has a slight mis. Seems to smooth
>out once it is warm.
>
>Bought it used with 160,000 miles, it now has a bit over 200,000 miles.
>The fuel and air filters have been recently serviced, but I have no
>knowledge of any past maintenance history.....so I don't know if there are
>other issues that need to be looked at....ie: valve settings, fuel
>injectors, etc.
>
>Has anyone else had this issue, or have any ideas at what I may need to
>check to help resolve this problem?
>
>Thanks, Jerry
>
>
>
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