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pump timing td42

Tech Talk for Nissan owners.

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Joined: Sun Mar 15, 2009 12:29 am
Location: Perth WA

pump timing td42

Post by TRUCKIE »

i have a 94 td42 n/a and i am putting on my new pump i have all the dial indicator gear just wandering what is a good plunger travel for advancing them a bit i know the spec is 0.74mm future plans are to turbo so can i set it up for the future or .... yeah any first hand experience would be helpful i work for cummins so nuthing is too hard on these little engines


Thanks For Youre Help , Mitch
1994 Nissan Patrol ST Ute TD42 N/A With Extra Goodies
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Re: pump timing td42

Post by rumpig89 »

bump. id be interested to know if anyone has any info, unless its secret information...
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Re: pump timing td42

Post by waandy »

rumpig89 wrote:bump. id be interested to know if anyone has any info, unless its secret information...
im also very interested
85 hi top drover, 31s, 2 inch exended shackles 2 inch bl.
88 tb42 swb mav,35 claws, 4 inch lift
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Re: pump timing td42

Post by Clanky »

No doubt its still a secret :cry:
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Re: pump timing td42

Post by Dzltec »

Its no secret, .74mm @ tdc is the correct spec. You could go to .8 but it may be noisy. Fuel is what gives you the power.


Andy
www.diesel-tec.com.au Ph 03 9739 5031
Ball bearing turbo upgrades for factory turbo vehicles. Got a diesel question just ask.
Home of the twin turbo shorty and many 150rwkw+ patrols.
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Re: pump timing td42

Post by garth »

how much advance? is 6' too much? I think standard is 3' but 6 lowered my egts and gave a good burn.
GQ with 30 PSI of TD42T.........
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Re: pump timing td42

Post by kbv8ute »

I put mine to .86 no worries boost n fuel and fuel goes well no probs
Ford Maverick ute, gen 3 boost,kewish auto, twin locked 17"kmc enduro bead lock rims, POW 84 winch wiring
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Re: pump timing td42

Post by waandy »

can someone give me a quick run through? I have fully rebuilt my engine, and am about to fit a gu pump and id like to do it myself, so u set engine to tdc, fit pump tool, set to .74 and rotate engine to see how far it drops off tdc?
85 hi top drover, 31s, 2 inch exended shackles 2 inch bl.
88 tb42 swb mav,35 claws, 4 inch lift
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Re: pump timing td42

Post by Northside 4x4 »

The sepcs are for the turbo pumps .626mm for Factory Intercooled engines
.740mm for Non intercooled motors.

Another big factor when setting pump timing is what the injector pressure's are set at.
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Re: pump timing td42

Post by suggy126 »

I've got an 89 GQ TD42 that i fitted a GU TD42 turbo pump to. Set to .65mm and it goes an absolute treat.

Never done the injectors on it either. I'd set it to .7 or .74 and run it and see what you think. I'd be disinclined to advance it too much unless it's being done by a diesel professional.
Mine was checked by a diesel pro after i'd fitted the pump and done the timing, all he did was wind the fuel up a little more than i had it and check it over and said it was awesome, could've got more power out, but he reckoned it'd be at the cost of fuel and shorter engine life.
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Re: pump timing td42

Post by Northside 4x4 »

suggy126 wrote:I've got an 89 GQ TD42 that i fitted a GU TD42 turbo pump to. Set to .65mm and it goes an absolute treat.

Never done the injectors on it either. I'd set it to .7 or .74 and run it and see what you think. I'd be disinclined to advance it too much unless it's being done by a diesel professional.
Mine was checked by a diesel pro after i'd fitted the pump and done the timing, all he did was wind the fuel up a little more than i had it and check it over and said it was awesome, could've got more power out, but he reckoned it'd be at the cost of fuel and shorter engine life.
Its interesting to read, he was a diesel professional. Did he just use the fuel screw? Or do a proper job on the compensator?
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