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D
Doubletop
Member
·
From
Muncie, IN
Joined
May 25, 2020
Last seen
May 28, 2026
Posts
32
Reaction score
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D
Doubletop
replied to the thread
No power at highway speeds
.
Well, it's doing better, but not 1oo% yet. Got a smoke tester and the only smoke I'm seeing in the vacuum system is coming from the...
Apr 10, 2026
D
Doubletop
replied to the thread
Cruise Control Release Switch
.
Unfortunately, I threw away the original without thinking when it was bad and I ordered the new one. And Jgonick, that's correct. Both...
Apr 6, 2026
D
Doubletop
posted the thread
Cruise Control Release Switch
in
Tech Discussion
.
My cruise control release switch went bad a few months ago and I replaced with a different style which was the only thing available and...
Apr 5, 2026
D
Doubletop
replied to the thread
No power at highway speeds
.
Well, I found a vacuum leak at the cruise control release switch at the brake pedal and it appears the vacuum hose at the manifold may...
Apr 5, 2026
D
Doubletop
replied to the thread
No power at highway speeds
.
Ideas on locating possible leak? At using port on throttle body the vacuum gauge doesn’t move so if I have a leak it’s only showing at...
Apr 4, 2026
D
Doubletop
replied to the thread
No power at highway speeds
.
Is that normal on these to close blend doors at higher rpm’s? Or is it because I’m losing vacuum and it can’t hold the blend door open?
Apr 4, 2026
D
Doubletop
replied to the thread
No power at highway speeds
.
Yes truck ran great till then. And really I guess I didn’t check if blend doors were closing or slowing down. Just noticed air flow...
Apr 4, 2026
D
Doubletop
posted the thread
No power at highway speeds
in
Engine & Performance
.
At my wits end. 1987 1500 305 TBI engine. A few months ago, the ICM went bad. I screwed up and broke the connector inside the...
Apr 4, 2026
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