xr3irally

i have an xr3i efi, recently i have fitted a n/a ZVH engine, its all steel etc, big valve head and piper 285 T2 turbo cam. (this may be the problem).
right, the engine came out of a car running MFI and i have converted it to run EFI. in the MFI car it ran spot on, idling and revved lovely. now i did a rally with it last night and it wa a nightmare, it cut out every time i came to a stop, it revs fine after 2000rpm but useless before sounds like its missing! it pops like hell from the exhaust when backing off in gear, and runs REALLY lumpy!! becasue of this it almost failed the noise test. thje engine otherwise pulls great after 2000rpm! now it has a superchip, FSE power boost valve, could these be casuing anything? it also has a vernier pulley which could possibly be a degree out maybe. nbow i know i should get it set up but its got to cost at least 300 which i just done have! so any advice to sort it out would be great.
thanks

xr3irally

any experts shed some light?

Bikerjohn

1 Check for Air leak's, loose pipes
2 Idle control Valve.
3 Check Engine wiring for broken wires or bad connections

clarke5700

what is the superchip set up to run?? im gessing its not mapped for your spec of engine then?

Bikerjohn

Rolling Road time or refit the Mfi, if that workred, don't fix it

luke89

iTrader: (1)

if u read it it wasnt! he almost falied noise test cuz it was running ruff

clarke5700

lol i like the way you have edited this post when you realised that you was the one who needed to read the post mate!!!!!!

nice work

Bikerjohn

I've even changed the spelling so I can be perfect like you

luke89

iTrader: (1)

have u had this mapped on the efi? what ecu are u running? or is the ecu and map from the last engine?

clarke5700

arrrrrrrrrrr you can read as well its ok mate i under stand there are plenty of people like you on hear you will fit in just fine

Bikerjohn

Yay "One more of us, one less of them"

clarke5700

im gonna gess that he is on standard xr2i manigment as he is useing a superchip. but its hard to say when the threed started has loged off

clarke5700

im afrayed so mate. i may not be able to spell very well but i do read things befor i start ranting what bike have you got then?

Bikerjohn

"manigment" "threed" Catching isn't it

On a more serious note, I'm agreed I think he need's a remap as the Mfi will be set to a 1.6 Cvh on his car, the other option is to swap the Mfi onto his car from the car the engine came from...

clarke5700

Bikerjohn

Got about 15 bikes C90-ZZR1100,gsx1100et,z's As for for Cars, Sierra 2.1 pinto, 1x1100S fiesta Mk1, Rs1800 Fiesta, Mk2 Xr2, Mk4 Xr3i Stage car, Mk4 Escort Rally car