Rocker roller coversion for 502 - push rod length? - need valve train expert
04-24-2016 | 08:44 AM
#101
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Joined: Apr 2009
Posts: 286
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From: Lake Charles, La
I called EP twice and apparently of the mega amount of sets they have sold - no one has ever called back with this issue.
Actually i called several more times because i did have other issues with them as well. Some of the polyloc set screws came in the set as 7/32" hex wrench, the other four -- where 5mm !!!! Thought i had been working too hard so tried the two wrenches about 5 times. He did send me four more correct ones though.
Also one of the shallow recessed areas where the bottom of the adj nut hits the trunnion but fits into this recess, well, the nut wouldn't go down into the recess, but only by a few thousandths. just had to clean it out a little.
I noticed that the Comp Cam gold unit had no recess cut in it, it was just ground flat across the top.
I figured if i got another set, something else might be wrong, so i just kept those, but will be returning them.
Actually i called several more times because i did have other issues with them as well. Some of the polyloc set screws came in the set as 7/32" hex wrench, the other four -- where 5mm !!!! Thought i had been working too hard so tried the two wrenches about 5 times. He did send me four more correct ones though.
Also one of the shallow recessed areas where the bottom of the adj nut hits the trunnion but fits into this recess, well, the nut wouldn't go down into the recess, but only by a few thousandths. just had to clean it out a little.
I noticed that the Comp Cam gold unit had no recess cut in it, it was just ground flat across the top.
I figured if i got another set, something else might be wrong, so i just kept those, but will be returning them.
Last edited by Cap'm Kurt; 04-24-2016 at 08:46 AM.
04-24-2016 | 08:57 AM
#102
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Joined: Oct 2007
Posts: 8,439
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From: yorkville,il
Sounds good.
Since you are the OP and have pent so much time and frustration,could you push whom ever got these for you,to find out who makes these damn things for Engine Pro? Would be possibly good info for someone who may be interested ? Yeh, most here have or get Crane, Scorpion, Comp Cams,or etc well know companies stuff...but, you never know who doesn't.
Since you are the OP and have pent so much time and frustration,could you push whom ever got these for you,to find out who makes these damn things for Engine Pro? Would be possibly good info for someone who may be interested ? Yeh, most here have or get Crane, Scorpion, Comp Cams,or etc well know companies stuff...but, you never know who doesn't.
04-24-2016 | 09:34 AM
#103
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Joined: Nov 2004
Posts: 14,155
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From: On A Dirt Floor
These Engine Pro Rockers wouldn't happen to be private labeled from Speedmaster (used to be ProComp) would they ?
https://speedmaster79.com/engines-co...t=238&limit=36
Engine Pro : http://www.enginepro.com/downloads/n...RockerArms.pdf
Speedmaster BBC :
https://speedmaster79.com/engines-co...t=238&limit=36
Engine Pro : http://www.enginepro.com/downloads/n...RockerArms.pdf
Speedmaster BBC :
04-24-2016 | 12:27 PM
#105
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From: NW Michigan
Congrats... Lesson learned. Chit happens. Btw your correct by center of stem to center of roller tip is ideal however when you roll engine over just make sure as u watch the roller tip it will move slightly both directions on the stem. So I just meant you will have to find your happy spot (center of tip to center of roller) and try and shoot for equal amount of measurement on stem that the roller tip does not touch. You might be perfectly fine as is but just ck it regardless. I always just aim for total movement in the inner 1/3rd of the stem as valve opens and closes.
04-24-2016 | 09:12 PM
#106
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Joined: Apr 2009
Posts: 286
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From: Lake Charles, La
Are these geometry readings close enough to center or should i go buy new shorter pushrods???
I don't mind getting them if you think thats far enough off that it should be corrected.
4 pics coming.
[ATTACH=CONFIG]554597[/ATTACH]
I don't mind getting them if you think thats far enough off that it should be corrected.
4 pics coming.
[ATTACH=CONFIG]554597[/ATTACH]
04-24-2016 | 09:59 PM
#110
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Posts: 8,439
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From: yorkville,il
