slite studder when cold start and rev

[beattie]

this is with autolite 104s if u notice in the video it only does it couple times then snappes out of this it happens everytime i first start my car when car is cold i do couple revs then its fine any suggestions they was gapped at .060 but it would do that start just at beging ov rev now there gaped at .050 and it will do it then go away

[Fivefingerdeathpunch]

I couldnt notice a thing other than you romping on the gas on a cold motor.

Try cleaning the thorttle body and the sensors and see if that helps. Other than that I couldn't even notice an issue.

[smoke14]

Its cold, let it warm up.

[beattie]

i had a vacum leak fixed it now its fine and if u watch the video the first couple of revs it studders or missfires then is fine

[transam24]

Mine used to do that, with new vac lines the issue went away