Search found 5 matches

by RICHARD
Sun Oct 07, 2007 9:26 am
Forum: Injectors, Fuel & Air Supply
Topic: Getting the duty cycle percentage down.
Replies: 4
Views: 518

Getting duty cycle percentage down

hi jim
thanks for the info on what i could try to get the thing running better. I have got a set of 200cc injectors that i'll try next wkend. Do i have to play around with the fuel map or can the change be done by changing the fuel required in the constants bit???
cheers rich
ps if i have managed to ...
by RICHARD
Sat Oct 06, 2007 3:58 pm
Forum: Injectors, Fuel & Air Supply
Topic: Getting the duty cycle percentage down.
Replies: 4
Views: 518

Getting fuel percentage down

hi jim
got a fuel presure gauge fitted and the presure is maitaining at 45psi. It's also fitted with a adjustable presure regulater. The injectors are out of a 1400cc engine not rated at 140cc. Don't realy know what the ratting is. Got the car running on the rolling road some mounths ago by ower ...
by RICHARD
Sat Oct 06, 2007 10:19 am
Forum: Injectors, Fuel & Air Supply
Topic: Getting the duty cycle percentage down.
Replies: 4
Views: 518

Getting the duty cycle percentage down.

hi people.
can anyone help out there with the problem i've got as regards getting the duty cycle percentage down. I've got the engine running quite well but at around 5500 6500 rpm the duty cycle gose off the gauge at around 118, acouding to a couple of data logs i,ve done. It as though it's got a ...
by RICHARD
Wed Aug 15, 2007 3:24 am
Forum: Injectors, Fuel & Air Supply
Topic: fuel pressure
Replies: 3
Views: 479

FUEL PRESSURE

HI THERE
Thanks for getting back to me about pressure problems. Got my self a adjustable regulator yesterday. Going have ago at fiiting it at the weekend. At the moment the pressure on the stander reg is at 38psi been told by my tunning bloke to put it up to around 45/48 psi and then reduse the ve ...
by RICHARD
Sun Aug 12, 2007 9:31 am
Forum: Injectors, Fuel & Air Supply
Topic: fuel pressure
Replies: 3
Views: 479

fuel pressure

hi there
dose it make a difference if i use larger injectors say from a 2.0L in my 1.3L engine that is running throttel bodies??? standered injectors from a 1.4 are in at the momment at 38psi fuel pressure. But the duty cycle is maxing out at 116% WICH I WOULD SAY IS TO HIGH, and i can feel it ...