Bronze or coated drive gears ???
#2588313
12/06/18 10:35 PM
12/06/18 10:35 PM
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Joined: Dec 2004
Posts: 10,607 Rittman Ohio
fourgearsavoy
OP
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OP
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Rittman Ohio
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Just going over my parts list for the roller cam conversion and I have been researching distributor drive gears with mixed reviews. Are there any negatives with either gear ? This is mainly a street car with about 1500 miles a year and maybe a dozen passes down the track. I plan on adding a collar on the distributor shaft while it's out. There seems to be an issue(according to the manufacturer) when running a high volume or high pressure pump. Now most engines with a roller cam run one or the other style pump So that just sounds like a CYA from the company. Any new information out there? Thanks Gus
64 Plymouth Savoy 493 Indy EZ's by Nick at Compu-Flow 5-Speed Richmond faceplate Liberty box Dana 60
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Re: Bronze or coated drive gears ???
[Re: 451Mopar]
#2588328
12/06/18 11:18 PM
12/06/18 11:18 PM
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Joined: Dec 2013
Posts: 4,804 Wichita
GY3
master
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master
Joined: Dec 2013
Posts: 4,804
Wichita
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Crane coated here. Pulled it to prime the engine a few weeks ago and it looked new. Over 5,500 miles and hundreds of dragstrip passes in the last 3 years. Car gets driven a LOT! All a high volume, high pressure pump is good for is sucking the pan dry before the stripe!
'63 Dodge 330
11.19 @ 121 mph Pump gas, n/a, through the mufflers on street tires with 3.54's. 3,600 lbs.
9.92 @ 135mph with a 350 shot of nitrous and 93 octane pump. 1.43 60 ft. 3,750 lbs.
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Re: Bronze or coated drive gears ???
[Re: fourgearsavoy]
#2588347
12/06/18 11:48 PM
12/06/18 11:48 PM
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Joined: Aug 2011
Posts: 2,904 Pattison Texas
CSK
master
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master
Joined: Aug 2011
Posts: 2,904
Pattison Texas
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I used the Hughes coated gear, HV pump with a adjustable bypass valve, set @ 65 psi hot, there is a reason I run the HV pump, have 2k miles on it & checked it the other day, it was still like new. I also have the collar on the dist shaft.
Last edited by csk; 12/06/18 11:54 PM.
1968 Charger COLD A/C Hilborn EFI 512ci 9.7 compression, Stealth heads, 4.10 gear A518 ODtrans 4100lb,10.93 full street car trim 2020 T/A 392 Stock 11.79 @ 114.5
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Re: Bronze or coated drive gears ???
[Re: fourgearsavoy]
#2588623
12/07/18 03:09 PM
12/07/18 03:09 PM
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Joined: Jan 2003
Posts: 18,025 S.E. Michigan
ZIPPY
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I Live Here
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S.E. Michigan
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I've only used the bronze ones with M63HV oil pump. They do wear noticeably and it's actually visible in the drain oil, but it's not horribly bad or difficult to deal with.
Rich H.
Esse Quam Videri
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Re: Bronze or coated drive gears ???
[Re: fourgearsavoy]
#2588639
12/07/18 03:47 PM
12/07/18 03:47 PM
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Joined: Jun 2003
Posts: 52,972 Romeo MI
MR_P_BODY
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Master
Joined: Jun 2003
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Romeo MI
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All I use is the bronze one.. I had about 5 of of them so I use what I have.. I even use them on flat tappet stuff
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Re: Bronze or coated drive gears ???
[Re: MR_P_BODY]
#2588796
12/07/18 09:52 PM
12/07/18 09:52 PM
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Joined: Dec 2004
Posts: 10,607 Rittman Ohio
fourgearsavoy
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OP
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Well I'm going to stop by Summit tomorrow on my way home from work and check out the Comp Cams gear they sell. I have a new HD shaft with a steel gear on it so I'm going to swap gears on this shaft and see how it works out. Thanks for all the replies Gus
64 Plymouth Savoy 493 Indy EZ's by Nick at Compu-Flow 5-Speed Richmond faceplate Liberty box Dana 60
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Re: Bronze or coated drive gears ???
[Re: fourgearsavoy]
#2588974
12/08/18 10:31 AM
12/08/18 10:31 AM
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crabman173
Unregistered
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crabman173
Unregistered
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I bet you ruin the shaft getting old gear off--better to buy complete assembly--Bronze gets my Vote--yea they wear but you can keep an eye on it--HUghes says no HV or HP pumps as they accelerate wear--duh? Put a bronze in run the kind of pump you need or want Milodons are good
Last edited by crabman173; 12/08/18 10:34 AM.
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Re: Bronze or coated drive gears ???
[Re: ]
#2589039
12/08/18 03:17 PM
12/08/18 03:17 PM
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Joined: Jan 2003
Posts: 15,439 Val-haul-ass... eventually
BradH
Taking time off to work on my car
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Taking time off to work on my car
Joined: Jan 2003
Posts: 15,439
Val-haul-ass... eventually
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... they wear but you can keep an eye on it--HUghes says no HV or HP pumps as they accelerate wear--duh? Hughes is simply repeating what Crane says about their melonized gears, since Crane makes the gears that Hughes uses with their gear & shaft assemblies.
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Re: Bronze or coated drive gears ???
[Re: fourgearsavoy]
#2590725
12/12/18 04:27 AM
12/12/18 04:27 AM
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Joined: Oct 2004
Posts: 16,482 Canada
CrAzYMoPaRGuY
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I Live Here
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Canada
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My buddy has had terrible time with the bronze gears in a 600 hp 440. Street driven quite a bit, last time he had a couple thousand miles and the teeth sheared. Had to get towed home and he was NOT happy. He wants to try the melonized gear too.
CrAzYMoPaRGuY
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Re: Bronze or coated drive gears ???
[Re: AndyF]
#2590830
12/12/18 02:01 PM
12/12/18 02:01 PM
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Joined: Feb 2014
Posts: 1,734 central il.
second 70
top fuel
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top fuel
Joined: Feb 2014
Posts: 1,734
central il.
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This is the one I use. I figured by the time I tried to get the old gear off and new one on and maybe hurting the shaft it was easier to buy once cry once. Installed on solid roller and M63HV pump no wear after a year. And yes even thou they say not to use it on a used cam and HV pump I did and it appears to be fine.
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