Big cam, AE and CC
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Supreme Member
Joined: Aug 1999
Posts: 2,441
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From: sweden
Car: GTA -89
Engine: Blown 415"
Transmission: 4L80E
Axle/Gears: Strange 12-bolt
Big cam, AE and CC
Did some driving today for the first time with the cruise control and what a joke!
At 55mph the
RPM was 1700-2100rpm.........
TPS was 0.75 - 0.94 volt
MAP was 50 - 65 kPA
My guess is that with my cam 230/244 0.544/.0576 112 the vacuum drops of very quickly when the CC opens the blades, this combined with more AE delta TPS than stock increases the BPW to much and the rpm goes up....
So is ther eanyone who has a big cam with the same problem and knows or have any suggestions how to solve the problem?
At 55mph the
RPM was 1700-2100rpm.........
TPS was 0.75 - 0.94 volt
MAP was 50 - 65 kPA
My guess is that with my cam 230/244 0.544/.0576 112 the vacuum drops of very quickly when the CC opens the blades, this combined with more AE delta TPS than stock increases the BPW to much and the rpm goes up....
So is ther eanyone who has a big cam with the same problem and knows or have any suggestions how to solve the problem?
Thread Starter
Supreme Member
Joined: Aug 1999
Posts: 2,441
Likes: 1
From: sweden
Car: GTA -89
Engine: Blown 415"
Transmission: 4L80E
Axle/Gears: Strange 12-bolt
I adjusted my AE tables in the "lower" area and then adjusted the wire to the CC and now it works.
THX
/N.
THX
/N.
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