R32 Wont Rev

[Ben101]

Has anyone else come across this problem r32 gtst rb20det she runs fine around

town stop start situation but take it on a drive on the hwy for 30 min or so and she wont

rev passed 5000 rpm just pops and farts when flat to the floor or easing

on the gas, I just had it dynoed and they said it was fine couldnt find the problem

made 140kw with catback, air filter, walbro pump and splitfire coils with a gap of

0.8 could it be a air leak? or fuel related? any help appreciated i have also tried

swapping afm no difference?

[GTR-32U]

Has anyone else come across this problem r32 gtst rb20det she runs fine around

town stop start situation but take it on a drive on the hwy for 30 min or so and she wont

rev passed 5000 rpm just pops and farts when flat to the floor or easing

on the gas, I just had it dynoed and they said it was fine couldnt find the problem

made 140kw with catback, air filter, walbro pump and splitfire coils with a gap of

0.8 could it be a air leak? or fuel related? any help appreciated i have also tried

swapping afm no difference?

checked the fuel filter ? Has this been happening for some time ? Didnt score a bad tank of fuel by any chance ?...servos are pretty dodgy

[Ben101]

That was my first thought changed the filter cleaned out the sock on fuel pump

and put a bit of metho in case there was water in the tank still the same