fishermanjesse

Yea ive got a 90LX automatic and latly my cars acting wierd ive got a 351W with tons of bolt ons like 3:73s and an e303 cam for some of it well latly when i drive and its in like overdrive or just a gear were im running loxer rpm's and im barley on the gas it stuters and the whole car like shakes in a forward to rear motion wondering if anyone could help me the stall is stock i m thinking maybe its the stall thanks for any help

ROTTITANK

Is it still EFI?

Blckstng93

Forward to rear motion? You mean 'bucking'? Mine does that sometimes and only at low rpms, usually when i let off the gas on the lower side of 3rd gear. The bucking is not all the time tho so i havent bothered checking codes yet. Mine is an AOD and still EFI.

Yours EFI or carb? AOD or C4/C6?

fishermanjesse

mines EFI and an AOD

7upedition

I'd start with a full flush and fill, $150 + tax at the dealer... it changes all 13 quarts.. made a big difference on my stock AOD.