Topic: tack problem
in Forum: All Vettes Discussion
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I have A nice 1990 driver that I am having tack problems with it has a heli dis. with an air gap tac the tac reads 2k or3k when it is only turning 1000 RPM I taken the cluster to A shop that repairs clusters for all types of cars And was told they could not find anthing wrong .They said it must be the tac filter ,so I installed another filte the tac is still the same reading rpm to high. Anyone ever come accross this befor . I could use some input THANKS greg
P S I like the cable drive on my 71 it's A lot easier to fix
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Duncanville, TX - USA
Joined: 11/8/2003
Posts: 20214
Vette(s): #1-1974 L-48 4spd Cp Med Red Metallic/Black deluxe int w/AC/tilt/tele./p/w-p/b/
Am-Fm/map light National/Regional/Chapter NCRS "Top Flight"
#2-1985 Bright Red/Carmine Cp.L-98/auto
Member: NCRS, NCRS Texas, Corvette Legends of Texas
Is the tach filter grounded properly?
Have you changed the ign. module recently?
Have you changed the ign. coil recently?
What do you mean by "it has a heli dis. with an air gap tac"?
This really sounds like a filter issue, or a problem in the white wire from the dist. to the dash.
Have you changed the ign. module recently?
Have you changed the ign. coil recently?
What do you mean by "it has a heli dis. with an air gap tac"?
This really sounds like a filter issue, or a problem in the white wire from the dist. to the dash.
Joel Adams
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I have changed the coil,module,filter. the dis. is an hei [mis print] by air gap I am refering to the tack nedel only the rest is electronick I put A tack on the engine going directly to the hei and it worked fine the idle was 750 while the dash tac read 2500 RPM any futher idears would be great
in Forum: All Vettes Discussion
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