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LS Vtec Redlining at 35Rmp (HELP)

PostPosted: Fri Sep 02, 2016 12:25 am
by louboi12
My car won't rev pass 3.5 it backfires when when accelerating up to 3k and backfires when decelerating... I reset Ecu still the same results don't have anymore ecu's on hand. It also cranks a bit long before it starts up :? :? :? Can Someone Help Please!

Re: LS Vtec Redlining at 35Rmp (HELP)

PostPosted: Fri Sep 02, 2016 11:28 am
by Driv-it-hard
Boi, Give us some more info. Was the car running before the problem. Do you have CEL on.
Was any maintenance done before?
Little info would help us help you

Re: LS Vtec Redlining at 35Rmp (HELP)

PostPosted: Sat Sep 03, 2016 1:10 am
by louboi12
Just rebuild the Block rings and bearings .. And I don't have any cel on the dash. b20 Block Gsr Head & Intake... All stock parts

Re: LS Vtec Redlining at 35Rmp (HELP)

PostPosted: Tue Sep 06, 2016 2:52 pm
by HeikDiesel
Still sounds like mechanical timing to me....

Re: LS Vtec Redlining at 35Rmp (HELP)

PostPosted: Wed Sep 07, 2016 12:31 pm
by Driv-it-hard
HeikDiesel wrote:Still sounds like mechanical timing to me....



I'm right along with you. I also think it is timing.
Can you send some pictures of the timing gears on marks ?
Some pictures would help.

Re: LS Vtec Redlining at 35Rmp (HELP)

PostPosted: Thu Sep 08, 2016 3:23 am
by TrailerTrash
what ECU are you using?