bouncing timing mark

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bouncing timing mark Empty bouncing timing mark

Post  o henry on September 21st 2019, 3:20 pm

while checking timing , timing is bouncing. 6 -10 degree at idle... been through this month ago .. changed timing chain ( engine pro) sent distributor back to msd , put my spare magnetic pickup on set gap to 66k every thing was ok . 6 passes later timing is bouncing again .. checked chain ok air gap ok .. timing light is old sears model.. msd 7al3 box pulled all chips cleaned put back.. i cleaned my grounds .over last winter replaced my battery cable runs. any one have any other ideas..

o henry

Posts : 26
Join date : 2012-06-07
Age : 60
Location : rayland ohio

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bouncing timing mark Empty Re: bouncing timing mark

Post  BBFTorino on September 21st 2019, 4:41 pm

Camshaft gear teeth worn?

BBFTorino

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Join date : 2015-12-31

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Post  BBFTorino on September 21st 2019, 4:43 pm

Camshaft gear teeth worn? Get a newr timing light.

BBFTorino

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Post  stanger68 on September 22nd 2019, 1:03 am

Some of cheaper timing lights work ok with msd and some don’t. Is the idle rpm hold steady?

stanger68

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Join date : 2015-12-05
Location : Birmingham, Al

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bouncing timing mark Empty Re: bouncing timing mark

Post  o henry on September 22nd 2019, 11:07 am

yea idle is fine , everything is ok except when checking timing. im borrowing different light today to try

o henry

Posts : 26
Join date : 2012-06-07
Age : 60
Location : rayland ohio

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