Camshaft rollers/followers
Dec 23, 2011, 11:36 PM
#1
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Camshaft rollers/followers
Does anyone know, or have a spare head to go and find out, what the camshaft roller/follower diameters are (measurements best found using a caliper) ?
See my thin red circles below for more clarification:
If you know, please PM me (not sure if this is something that can be replied to in topic or not)
If this can be found online, please link me!
I have yet to open my engine up but I'm reeeally going to need to know this by Wednesday next week.
Thanks for your help d00ds.
See my thin red circles below for more clarification:
If you know, please PM me (not sure if this is something that can be replied to in topic or not)
If this can be found online, please link me!
I have yet to open my engine up but I'm reeeally going to need to know this by Wednesday next week.
Thanks for your help d00ds.
Dec 24, 2011, 04:12 AM
#2
Well I have a few heads and a caliper. The problem is it's Christmas eve and it might just start world war 3 , me pulling out the heads, cracking them open a measuring the rollers. I'll see what I can to do today 
On a different note I highly doubt that they are overly worn. And all of my heads are used so I'm not so sure about getting a measurement ,since we don't have a new one to base it off of.
On a different note I highly doubt that they are overly worn. And all of my heads are used so I'm not so sure about getting a measurement ,since we don't have a new one to base it off of.
Dec 24, 2011, 11:27 AM
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Well I'm getting ready to drop the RRM cam in (t-belt coming up really soon, perfect timing... Pun!) but because the specs were kept under wraps I'm getting it read to find the duration (to avoid the "what kind of cam?" - "derr its duh stage 2" coversations lol). BUT the machine shop I'm using said they could read it in a snap, but to do it accurately I need those diameters.
Lanzer, if you could take a peek for me - when you can, dont spoil christmas! - I'd owe you a massive amount of *** kissing
Lanzer, if you could take a peek for me - when you can, dont spoil christmas! - I'd owe you a massive amount of *** kissing
Dec 24, 2011, 11:31 AM
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And to hopefully make people more comfortable on such a topic, because I know a lot of people are touchy on the the RRM R&D (props to them), but getting the camshaft read is for my own personal knowledge. I am by no means planning on blabbing and sharing their specs. Ultimately I'd feel much more comfortable, in regards to the installation and with my future tuning, by knowing what I'm putting in to my engine.
RRM told me the guys who they contracted the cam to went under and that the specs went with them, so finding the manufacturer specs is out if the question, which means I need to find out on my own regardless.
RRM told me the guys who they contracted the cam to went under and that the specs went with them, so finding the manufacturer specs is out if the question, which means I need to find out on my own regardless.
Last edited by nerdbotSKRA; Dec 25, 2011 at 12:06 AM. Reason: explaining what I need the roller/follower specs for
Jan 7, 2012, 04:48 AM
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so is that why rrm told me they no longer sell a camshaft for a 4g69
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Jan 7, 2012, 04:35 PM
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Aaah thanks guys, I was beginning to wonder.
Most people I know don't have micrometers, caliper was the next best thing haha. If you have a micrometer then by far, please use that instead.
I had someone lined up to take measurements with a micrometer on their spare parts, but never heard back.
The camshaft that I have is a stage 2 (well out of production before the street performer) - they could have other reasons for discontinuing the product as a whole.
Most people I know don't have micrometers, caliper was the next best thing haha. If you have a micrometer then by far, please use that instead.
I had someone lined up to take measurements with a micrometer on their spare parts, but never heard back.
The camshaft that I have is a stage 2 (well out of production before the street performer) - they could have other reasons for discontinuing the product as a whole.
Jan 9, 2012, 07:33 PM
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That is most awesome, thank you! Firing off a PM.
edit - errgh. the mobile version appears to have detoured that message...
edit - errgh. the mobile version appears to have detoured that message...
Last edited by nerdbotSKRA; Jan 9, 2012 at 10:06 PM.
Jan 10, 2012, 02:25 PM
#15
Sorry here is a more extentsive measurement
--------Exhaust
*20.03-19.97mm height*
*5.45-5.47mm width*
9.90mm outer diameter of the bushing holding it to the arm
*
Inner 3.96mm
----------Intake
*20.03--19.97mm height
5.45-5.47mm width
********Here is a picture of the bushings mentioned below to help avoid any confusion*
9.90mm outer diameter of the bushing holding it to the arm*
Inner 3.96mm
4 big rollers*
23.96mm height
12.41-12.43mm width
Inner bushing outer diameter 12.03mm
Inner bushing inner diameter 5.15mm
--------Exhaust
*20.03-19.97mm height*
*5.45-5.47mm width*
9.90mm outer diameter of the bushing holding it to the arm
*
Inner 3.96mm
----------Intake
*20.03--19.97mm height
5.45-5.47mm width
********Here is a picture of the bushings mentioned below to help avoid any confusion
*9.90mm outer diameter of the bushing holding it to the arm*
Inner 3.96mm
4 big rollers*
23.96mm height
12.41-12.43mm width
Inner bushing outer diameter 12.03mm
Inner bushing inner diameter 5.15mm
Last edited by lanzerralliart; Jan 10, 2012 at 02:36 PM.