PPE Race valve - Chevy and GMC Duramax Diesel Forum

Performance Upgrades Discuss what Intakes,Exhaust,Fuel System,Programmers,Tuners,&Trans. are right for you.

 
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post #1 of 7 (permalink) Old 01-05-2011, 04:44 PM Thread Starter
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PPE Race valve

has anybody ever installed the race valve on there LLY?04.5-08 GM 6.6L Duramax PPE Race valve

Features: Will not allow any fuel back to gas tank allowing 100% of fuel to be available in extreme performance environments. Eliminates low fuel pressure rail trouble codes such as 1093 (low fuel pressure during power regiment) and helps maintain requested fuel pressure during full throttle with even the hottest program enhancements
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post #2 of 7 (permalink) Old 01-05-2011, 04:49 PM
yep yep...
 
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it wont help with a huge tune w/o a lift pump, but i cant suck mine dry anymore with my 135 tune,some ppl dont like them in case you get a fuel rail press spike but ive never heard of that happening just dont round the factory fprv off or youll have to remove the whole fuel rail to change it.

05' Chevy LT Black on Black LLY CC/SB Blackout Performance built motor/trans/tuned- Gone

"The Blessed Hellride"-08' GMC Sierra SLT Z71 CC/SB White

Big Dipper stage IV trans, Willis tunes and a bunch of other useless stuff.
Motor, more fuel and air coming when Obama gets the f*ck out and oil isn't free
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post #3 of 7 (permalink) Old 01-05-2011, 04:58 PM
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I took a wrench and ground down one side so it would have more contact onto the plug. Most wrenches have a chamfer on both sides and that gives less contact on the narrow plug.

I just dis a shim on mine.

Chevy 04.5 LLY, 2X, shell, XDR, MikeL Heavy duty up-grade, 6spd, TransGo, deep pan, de-badged, 65 Gallon replacement Aero tank, LBZ-mp, Kennedy pump, shimmed, Pre-fuel filter, tow mirrors, BU cam, gauges, GPS, Sirius, bags, custom grille, fender vents, HD trans cooler- Curt front hitch, footwell lights, load lights, Studs, head gaskets.--- Jerry
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post #4 of 7 (permalink) Old 01-06-2011, 05:45 AM Thread Starter
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my truck is pretty much stock just having trouble with surging.. i have ordered the FPR and the AFE inlet tube and the EGR blocker plate. and the larger Inlet to the injector pump..also going to do the reroute of the pvc..it just seems like it is lacking power... i do have a little tune in it but not much..
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post #5 of 7 (permalink) Old 01-06-2011, 05:51 AM
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The shim kit is all you need, the race fuel valve can cause cracked injector bodies if there is a pressure spike (like if your fpr starts to go or a piece of trash gets in it).
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post #6 of 7 (permalink) Old 01-06-2011, 05:54 AM Thread Starter
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where is the best to buy the shim kit
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post #7 of 7 (permalink) Old 01-06-2011, 06:19 AM
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There are a bunch of great vendors on here, it is made by PPE, 15 bucks I think, or you can put one together yourself. It is just a couple 4mm stainless washers and a nut to remove the orifice from the body.
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