I have my 91 4g63 set up like the diyautotune website but my rpms show up half what it is. like the tach reads 1000 rpm and MS says 500. But if i change the constants to 2 cyl it in reads correct?
running MSnS-E with 24s9
any ideas?
DSM 4g63 half rpm problem
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- Helpful MS/Extra'er
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DSM 4g63 half rpm problem
-Scott-
1980 malibu 9.09 @151
1994 SS S10
2006 2500HD Duraslut
previous squirted rides 90 GSX eclipse MSnS, turbo'd SBC MSnS
1980 malibu 9.09 @151
1994 SS S10
2006 2500HD Duraslut
previous squirted rides 90 GSX eclipse MSnS, turbo'd SBC MSnS
I had that problem with the diyautotune site, but they changed the instructions to fix that quite a while ago. So as long as you used the updated instructions since february or so, it should work.
You don't have the two CAS signals backwards do you? I can't remember if that will cause the problem or not, but it might be worth swapping the wires to test.
You don't have the two CAS signals backwards do you? I can't remember if that will cause the problem or not, but it might be worth swapping the wires to test.
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- Helpful MS/Extra'er
- Posts: 44
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- Location: kansas city
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you where exactly right i had the two signals reversed... sorry such an old post but thought i should flollow up.aero wrote:I had that problem with the diyautotune site, but they changed the instructions to fix that quite a while ago. So as long as you used the updated instructions since february or so, it should work.
You don't have the two CAS signals backwards do you? I can't remember if that will cause the problem or not, but it might be worth swapping the wires to test.
scott
-Scott-
1980 malibu 9.09 @151
1994 SS S10
2006 2500HD Duraslut
previous squirted rides 90 GSX eclipse MSnS, turbo'd SBC MSnS
1980 malibu 9.09 @151
1994 SS S10
2006 2500HD Duraslut
previous squirted rides 90 GSX eclipse MSnS, turbo'd SBC MSnS