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03-04-2013, 10:36 AM
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#29 | |
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Guardians Of The Night
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Thanks though. Need to get my heads ported to push that 500 club!
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2013 ZL1 Crystal Red Tintcoat, Stock...for now
1968 SS/RS 396- being resurrected. 2011 SS LS3-Cammed, bolt-ons.(SOLD) |
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03-04-2013, 07:20 PM
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#30 |
    
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I swapped out my good L99 pump for a Melling when I installed a cam. The L99 is ok but a bunch of folks had issues with the LS3 pumps even stock. I personally think it's an installation issue even when installed in the factory. This is the main reason they fail.
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432 RWHP 391 RWTQ 12.37 1/4 mile on stock tires
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03-04-2013, 07:27 PM
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#31 |
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For some reason the L99 pump can handle more misalignment on the crankshaft therefore they don't fail.
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432 RWHP 391 RWTQ 12.37 1/4 mile on stock tires
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03-04-2013, 07:28 PM
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#32 | |
    
Drives: Silver 2010 SS Camaro Join Date: Jul 2009
Location: TN
Posts: 2,562
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Quote:
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MODS:
ADM built 417, 2.9L Whipple with 3.250 pulley, ADM ported and polished LSA heads,ADM stage3 cam,ADM LSA belt drive system,ADM CAI race scoop, ADM dual fuel pumps, ID 850's, BMR full suspension, Gforce 9 inch kit with 3.5 inch driveshaft, Street Slayer twin carbon clutch, Lingenfelter oil seperator. Tuned by built by ADM Performance, 763rwhp,705rwtq |
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03-04-2013, 07:33 PM
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#33 |
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V8 Lounge member #2
Drives: 2001 Ws6 Join Date: Sep 2009
Location: Burbank,IL
Posts: 6,373
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Not centered around the crank snout right.
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2001 ws6, 40k miles, Ls3 416 stroker, short block built by PER the rest by me. LPE Ls3 heads milled to 12-1 comp, FAST 102, NW 102, kooks 2", dual DMH cutouts, Magnaflow C/B, BTR cam + springs. Full UMI suspension.
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03-04-2013, 07:47 PM
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#34 |
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Here is the proper way to install the pump using feeler gauges to make sure there is enough clearance.
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432 RWHP 391 RWTQ 12.37 1/4 mile on stock tires
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03-04-2013, 10:33 PM
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#35 |
Drives: 2016 2SS coupe 2015 3LT Stingray Join Date: Aug 2012
Location: El paso texas
Posts: 880
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I had an oil pump failure last month and reported it here there is a thread my is an l99 my oil pressure would be low at idle like 10 or 15 psi and was noisy like lifters except coming from the pulley area dealer at first thught it was the lifters replaced under warranty
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Ported intake manifold and throttle body kooks 2" headers no cats
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03-04-2013, 10:40 PM
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#36 |
   
Drives: 2015 Summit White 2SS 1LE Join Date: Feb 2012
Location: Vance Alabama
Posts: 8,018
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I install pumps with the bolts just finger tight, spin the engine over by hand two rotations and then torque the bolts down. My LS3 takes 8qts dead on the money BTW.
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Retired wanna be cylinder head porter
2015 2SS 1LE Clutch reservoir, Vararam DRX, ported TB, TSP 2" headers, MGW shifter Totalled: 2010 1SS Wilkes Performance/Eagle 416 shortblock, TSP custom valvetrain, PRC 260 heads, Edelbrock Pro Flo 102, th400 swap, 8" PTC 5500 stall= 535/435 at the wheels tuned Gen 3 Performance and Dyno 10.97 @ 124 full weight in 3100 DA CamaroFest X |
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03-04-2013, 10:46 PM
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#37 | |
Drives: SIM 2010 2SS/RS LS3 LPE750 Join Date: Feb 2012
Location: Mckinney, Texas
Posts: 764
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Really?! I picked up my GM HO pump this afternoon for my replacement. I chose not to go with a Melling because I had two of them go out on me years ago; 1 on my 01 TA WS6 and 1 on my 96 Z28 LT1. Both were modded motors built with Mellings. There wont be a 3rd time. |
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03-05-2013, 05:32 AM
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#38 | |
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V8 Lounge member #2
Drives: 2001 Ws6 Join Date: Sep 2009
Location: Burbank,IL
Posts: 6,373
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Quote:
I've done the pumps the same way myself But only Mellings.
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2001 ws6, 40k miles, Ls3 416 stroker, short block built by PER the rest by me. LPE Ls3 heads milled to 12-1 comp, FAST 102, NW 102, kooks 2", dual DMH cutouts, Magnaflow C/B, BTR cam + springs. Full UMI suspension.
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03-05-2013, 06:09 PM
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#39 |
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Serious Sleeper
Drives: 2010 CGM 2SS/RS M6 Join Date: Nov 2008
Location: Lexington,SC
Posts: 3,129
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http://www.camaro5.com/forums/showpo...&postcount=108
I went with the dealer's advise, at least it's warranted Given a choice, go with high volume, not pressure.
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Drive-by Fact of Life: After Monday and Tuesday even the calendar reads... W T F  *************************************** |
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03-05-2013, 06:20 PM
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#40 |
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V8 Lounge member #2
Drives: 2001 Ws6 Join Date: Sep 2009
Location: Burbank,IL
Posts: 6,373
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Sorry but I'd rather be on my own!
The Mellings are blueprinted and are made of better materials. That's the reason your valve relief was stuck open/closed because of the materials. But yes I agree use the high volume one ie 10296 and it comes with a high pressure spring if you'd like.
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2001 ws6, 40k miles, Ls3 416 stroker, short block built by PER the rest by me. LPE Ls3 heads milled to 12-1 comp, FAST 102, NW 102, kooks 2", dual DMH cutouts, Magnaflow C/B, BTR cam + springs. Full UMI suspension.
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03-05-2013, 09:54 PM
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#41 |
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My stock pump was so tight on one side of the crank, I couldn't stick my thinnest feeler gauge in there. This causes friction which can lead to possible valve relief getting stuck. Either the pump was slapped in from the factory or it shifted over time.
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432 RWHP 391 RWTQ 12.37 1/4 mile on stock tires
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04-14-2013, 07:52 AM
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#42 |
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Drives: 2SS/RS L99 BLACK Join Date: Apr 2010
Location: Franklin , MA
Posts: 6,696
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Loolks like I may have lost my oil pump on an L99. Just about pulling into my shop I lost oil pressure and the valve train started getting noisy. Checked oil level, all is fine. Going to try to make some room in my shop today and get it in so I can check it out further. I'll keep everyone posted on my findings once I get into it.
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