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Author Topic: Got one for yall Wes ¯ Member # 3891 posted                              I put a 351 in my 91gt, runs great except...It keeps eating the gear off of my distributors. I have 502-520 crane cam. Im using rebuilt 351 distributors. All the info I've found on this says it should work with the stock distributor. Any one ever heard of this. [ July 18, 2004, 08:21 PM: Message edited by: Wes ] Posts: 82 | From: vacaville ca | Registered: Dec 2003  |  : Fostang ¯ Member # 3752 posted                              Is it the correct material for the cam? Can't remember the exact combo bronze with what but I know there is a difference. -------------------- 67' Fastback TT 408 67' Camaro Lsx 64' Corvette Fuelie 57' Chevy Bel Air Lsx 68’ Pony Convertible 66’ Pony Coupe Posts: 3011 | From: Stockton/Danville | Registered: Nov 2003  |  : Wes ¯ Member # 3891 posted                              Hopfully i do need bronze..But everything ive read says it should work with the stock one which we know is cast. It only took about 5 min. of run time to eat it. Posts: 82 | From: vacaville ca | Registered: Dec 2003  |  : wilit Mustang Messiah Member # 3367 posted                                 I think it's roller cam=bronze gear, non-roller=steel gear. It's either that, or the other way around. I can't remember. -------------------- "If a man hasn't found something worth dying for, he isn't fit to live." - Martin Luther King Jr. Posts: 4793 | From: 37.78514° North 122.40100° West | Registered: Oct 2003  |  : S351-R CAFords OG Member # 1605 posted                              Sounds like you are using a non-roller cam distributor drive gear in a roller cam equipped block. Most of the non-roller cam distributors use a cast iron drive gear. Roller cams require a steel drive gear. [ July 18, 2004, 09:40 PM: Message edited by: SALEENx3 ] Posts: 344 | From: Earth | Registered: Jul 2002  |  : Wes ¯ Member # 3891 posted                              Thanks fellas Posts: 82 | From: vacaville ca | Registered: Dec 2003  |  : JohnB Tech Moderator Member # 969 posted                              Ok cam guru's, let's get some input. NON-roller cam, NON-roller block. Engine is a 89 351w, Crane cam, stock oil pump. The thing is going through stock distributors like crazy. It's literally grinding the teeth right off the gears. Things that have been checked: Dist drive gear (proper height and correct installation) Cam thrust plate Cam freeze plug Oil pump drive Any ideas?? -------------------- 1965 Shelby Cobra 1993 Cobra 2012 F150 Raptor 2020 GT500 Posts: 6523 | From: Orlando FL/Redding CA | Registered: Mar 2002  |  : FasterDamnit Bad Attitude Member # 442 posted                                 Ask Crane. It should work- flat tappet cam is just case hardened iron. The roller cams are steel. Iron dist. gear should match up. -------------------- '92 LX T5 Looked stock, went 11's 11.90 at 115mph. '65 Mustang 347 www.fordmuscle.com Livin' in the Carolina Pines Posts: 2971 | From: NorCal | Registered: Sep 2001  |  : mtbaughs Road Racer Member # 4052 posted                              Have you checked the teeth on the cam to make sure they are not messed up or missing Posts: 2019 | From: Boise, Idaho | Registered: Jan 2004  |  : JohnB Tech Moderator Member # 969 posted                              Opps, should have included that in the post. Crane was called this morning. Tech rep stated it could only be one cause...a high-volume oil pump. It's got a standard one installed. The gear on the camshaft is EXTREMELY sharp. Sharp enough that after 5 mins run time, it's already chewing up a dist gear. I have a bad feeling the cam wasn't cut/ground correctly. Maybe if we all send Wes a PM with the words "roller setup" we can put this flat-tappet stuff behind us -------------------- 1965 Shelby Cobra 1993 Cobra 2012 F150 Raptor 2020 GT500 Posts: 6523 | From: Orlando FL/Redding CA | Registered: Mar 2002  |  : chosen1 ¯ Member # 1906 posted                              speaking from experience, i can tell you why my setup ate up distributor gears. the cam thrust plate had backed off; so far that the bolt holding the cam timing sprocket dug into the timing cover. so yes, because my cam was traveling, it was taking distributor gears with it. when i finally tore the motor apart, the gear on the cam appeared to be perfect. i know run a bronze gear in my roller setup 351. i still find myself checking the distributor gear for wear. -------------------- 1967 Fastback. Should go 10's -but doesn't 1993 Cobra 2003 Suzuki SVS 1966 Coupe -For Sale Posts: 2205 | Registered: Sep 2002  |  : Wes ¯ Member # 3891 posted                              Screw it...Im ordering a new cam, Yes non-roller, and tearing the front of the engine apart.....we'll see what happens. Posts: 82 | From: vacaville ca | Registered: Dec 2003  |  :

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