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04-18-2014, 11:00 PM
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#1 |
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Registered User
 
Join Date: Jul 2005
Location: S.E. Mich.
Posts: 3,446
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Oil Pump Gears
This is something I’ve been making for almost ten years now. I digitized OEM 4V gears in about 2005. The first gears I made were from heat treated S7 and H13 tool steel. I also make them from heat treated 4140/42 (Chromalloy). I have programs for all the mod motor gears now. I’ve mostly been making them for people I know and some local speed shops. I’m putting in a new small machine primarily for making pump gears so in the very near future this is something Ill be selling under my company name of WIRETECH. Ill start with the 4140/42 gears witch aren’t as high quality as the tool steel gears but are awesome billet gears that are much more cost effective to make. Its what most of the gears on the market are made from. I see one place sells a 9310 gear set that’s probably a little better than the 4140/42 gears but wont add anything to the durability of the gear set.
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04-19-2014, 10:30 AM
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#2 |
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Registered User
 
Join Date: Aug 2009
Location: Denver, Ia
Posts: 443
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Re: Oil Pump Gears
Cool nice job Roy. What are th big failure point wirh the stock gears? Why does everyone upgrade them?
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mods:cai, flowmaster 40's, o/r x tune best et: 13.17@107mph & 8.56@84.5 1/8 new mods: spacer, 98 cobra cams 4.10's new times: 2.12 60' 1/8-8.44@85.97 1/4-13.0@109.76 New mods:Ported eaton swap divisonX 340 pump, 3.4 pulley@ 9#, 60# dekas, Lmaf, egr delete, aem wideband, ET streets TUNED by ME!....with SCT proracer softwear!! 482hp / 481tq new times:1.7-60' 1/8-7.724 @92.4 and 11.8 @118 1/4 00 SS Camaro M6 with 8.8 rear 3.73 gear. bolt on's and tune times: 1.8 60' 12.8 @111 |
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04-19-2014, 11:12 AM
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#3 |
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Registered User
Join Date: Jul 2005
Location: S.E. Mich.
Posts: 3,446
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Re: Oil Pump Gears
I think its a gear to gear issue due to the material used. Some last forever and some dont. Ive used stock gears in some pretty extreme situations even with UD pullies and a ton of nitrous with no trouble. 99.9% of street cars will probably be fine with stock gears but if you're the other .1% its a bad day.
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04-19-2014, 11:24 AM
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#4 |
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Registered User
Join Date: Jul 2008
Location: Saint Petersburg, FL
Posts: 104
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Re: Oil Pump Gears
Inside ring usually splits apart if they fail.
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Joshua Levin DSG 2003 mach 1 JLT intake, stock intake manifold, stock exhaust manifolds O/R H-pipe w/magnaflows. 329 rwhp / 325rwtq SAE dynojet 93 octane 12.4 A/F. SCT, DiabloSport, HP Tuners, Sniper/Delta Force, Tunercats, Bigstuff, AEM, Accel, Fast, Electromotive, Megasquirt, most aftermarket tuning devices, PM for details. In house DynoJet 224x |
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04-20-2014, 04:38 PM
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#5 |
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Registered User
 
Join Date: May 2008
Location: Cocoa FL
Posts: 1,207
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Re: Oil Pump Gears
I'm super happy with my set from you Roy. Perfect match to OEM tolerances.
Glad to see you will be making more of these.
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Wife's car: "Stella" 2003 DSG. Auto, 4:30's, 4800 Stall, aluminum DS, 26 inch slicks on 15 inch rims, skinnys, psr / aje hybrid k member and VMP tuned, GT front brakes, 1 3/4 headers and dumps, UWP pulley, Team z control arms. 7.90 - 1.75 60 foot. 12.37 1/4 mile 110.29 MPH (800 DA or so) With Roy PSR 1.71 12.25 at 1600 DA (no tune) 4.56 gears 1.68 12.09 My Car: "Nadia" 2003 TR Auto, Parted out Project beat Stella, engineless 03 DSG. Only goal is to beat my wife. |
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04-20-2014, 10:27 PM
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#6 | |
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Registered User
Join Date: Jul 2005
Location: S.E. Mich.
Posts: 3,446
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Re: Oil Pump Gears
Quote:
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