boab3
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Everything posted by boab3
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Tight in mk2 bay mafs a metre away down at passenger side of bumper
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Since mines is a mk2 golf im running the mk2 golf fuel pump which is the digifant fuel pump but im changing pump to the 16v one for the extra increase in pressure.think i might put the original injectors in see how it is
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I think fitting a 3 bar reg will lower fuel to injector rail.what i was thinking is the fuel pressure regulator wont open until it hits 4 bar and since injectors flow 310cc at 3bar they will be flowing more fuel at idle as the regulator wont open till 4bar since im away to fit a higher pressure pump to cope with fuel needs i think the injector pressures should be rated at the same or higher than regulator which the regulator would regulate the fuel under the injector maximum pressure.my vr is the early vr with a 4bar regulator as standard so i might just refit my original injectors see how i
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Just realised maybe can be a problem the injectors i have fitted are Lucas D1720BA they are rated 3 bar my digifant fuel pump runs 3bar my fuel pressure regulator is 4 bar im wondering if i am over pressuring the injectors running them at there maximum levels.
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Yeah blue temp doing its job ohms changing on heating up.i changed the fpr no difference but im still running the digifant fuel pump just now and that maxed out reaches only 3.5 bar.i have the 16v kjet 60mm pump ready to bolt on which will give me more pressure maf is working fine.new plugs fitted all gapped fine.only last 2 things is the 30lb injectors and the chip thats fitted.the injectors have been dry stored in my garage for 3 years might have a sticky injector.i started it up tonight still very slight hunting on the revs not a lot but i hear it then when i rev it stationary above 3krpm i
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Technically I don't work on obd1 stuff anymore. I have a few obd1 chips left. I have 30# inj. Stock MAF tune for dizzy obd1 cars. You can put the maf after the blower. Best to to relocate the MAF to the driver's side of the car, to get it away from all the blower turbulence. Best is connected before the blower. If you would like to try it out this comes with little/no support. I cannot support these older cars anymore. Let me know if you are interested. If you decide to convert the motor to run on OBD2 ecu, I have a many more tunes available. -Jeffrey Atwood United Motorspor
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Thing is i have the details from united motorsports regarding the chip from email stating its a stage 1boost vr6 obd1 distributor model he said its plug and play all pre mapped.which i was hoping to have popped in and road test tjen get it mapped
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Id prefer stealth but they're a fair trek away from me so im hoping i can get someone in Scotland as good as stealth
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Yeah im going for a rolling road remap
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Thats it fitted
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Its a united motorsports chip obd1 vr6 supercharged dizzy model is all the info i have
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Yeah im nowhere near 8psi its a zr1 shell and zr1 impeller with a cogged pulley to stop slippage the vr has a 4 bar fpr as standard i maybe jumped the gun by fitting larger injectors.yeah maf is nearly a metre away from charger
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Thats maybe why im running rich at idle
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After scouring the web i can only find the original installation manual for z engineering on the parts list theres no mention of larger injectors as ive fitted 310cc injectors and its a zr1 with cogged pulley i presumed i would have to upgrade injectors for forced induction i have fitted them and running a united motorsports chip obd1 vr6 supercharged dizzy model im still running rich its that rich my oil catch can is smoking with the vapours of fuel.can these z chargers run on the standard injectors or is there a happy medium between the standard injectors and 310cc injectors? Cheers
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Bump
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Nice car aswell [emoji2]
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Before and after spot the small additions
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Running sweet now bit tight moving maf which is down at bottom of bumper oil catch can mounted just pipe to connect up.Cars turned around now in garage to swap over fuel pump thats 2moro's job.Might change out blue temp sensor still a slight richness when hot if i disconnect sensor it runs spot on so maybe cold start just reading too cold keeping it rich not good with big injectors so ill swap that out.never had a blue temp sensor play up when hot only cold starting
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Cheers pete one ordered hopefully here monday didn't help i forgotten to tighten spark plugs up [emoji4] now there tight its much better idle is good starts 1st turn of the key but im going to move maf slightly more away from charger see how it alters anything.so no oil leaks as yet crankcase breather done just fuel pump to swap over and a blast up the road.i have found a 16v fuel pump assembly from an early mk2 in my man cave plan is to remove accumulator fit a barbed connection onto pump and straight swap over with pumps.4 bar regulator allready fitted so fuelling should be sorted.once this
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Bump
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Bump
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Couple of new bits machined up to take the viton seals i bought all fitted and oil leak free been running fine just to move maf further away from charger should solve the idle and running rich issues
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Hey pete where did you get this hose from? Any problem with it collapsing under suction? Ive got it all up and running all seems good maybe a bit rich and lumpy on idle but i think its down to the maf being too close to charger causing turbulence from the impeller
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Ttt
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Anyone breaking a mk4 golf paint code lc7v im needing a passenger side front door and a tailgate cheers
