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boost problem

PashaK

By PashaK,
in Engines & Forced Induction

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MRK25T Experienced

MRK25T

Posted
Posted

I got my mechanic to go for a spin in the car to set the boost controler up (after i got my spark plugs changed).

I was working fine at 1bar on the road but didn't like 1.1bar.

However, that afternoon on the dyno the fuel cut was happening at 0.9bar.

As sugested by the dyno guy, i'll wait until i get the computer and the HKS cam gears before I put it on the dyno again. They say it should pull 270hp - that sound right?

Mark

DAMQIK GTS-T Community Regular

DAMQIK GTS-T

Posted
Posted

I think you guys will fix this problem of the 5000rpm hesitation by advancing the base timing between 23deg & 25deg however this may require the safc to be re tunned.

This has worked on three other cars that I know of with the 5000rpm problem including mine.

Regards

Damqik:)

PashaK Collaborator

PashaK

Posted
  • Author
Posted

heres a more detailed description of whem it happens:

i took my car for a drive yesterday and i found that if i start from 0km/hr, and go through the gears racing style changing at like 6500 rpm it doesnt do it at all, drives perfect, but it happenswhen i plant my foot for example in 2nd gear at low revs, it hasnt happened once in 1st gear.

like yesterday i went around a corner in 2nd gear at low revs, then i floored it and it hiccuppued at 3000rpm, then 4000rpm, then i changed to 3rd and it hiccupped at around 4000rpm and again in 4th at around 4000 rpm. this is the best description i can give, rev210, sounds like you were on the right track, what do u think it is???

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