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Old 06-13-2019, 07:44 AM   #1
fastegg
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Adjusting cam timing

Can cam timing be altered by removing, moving and repressing the cam sprockets back on ?
Adjustable sprockets are $500AUD before post
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Old 06-13-2019, 08:13 AM   #2
Svracer2
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Don't bother degreeing the cams doing a cam swap. Repressing the sprockets on is a PITA.
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Old 06-13-2019, 08:21 AM   #3
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Re: Adjusting cam timing

yea. you can press off and press back. IF you do this method, once you have the degree you want, should spot weld the sprockets on cams.
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Old 06-13-2019, 05:37 PM   #4
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Re: Adjusting cam timing

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Originally Posted by Svracer2 View Post
Don't bother degreeing the cams doing a cam swap. Repressing the sprockets on is a PITA.
What's a PITA ?
** I'll probably be using gen1 or gen2 intakes on the exhaust side... Also gen3 is slightly lower comp than I want. I'm using gen2 3mm over Wiseco's @12:1 so if I use the gen3 heads i'd shave them if valve clearances allow. I was hoping for 12:5 comp so may even shave the gen2 heads not sure yet. Our premium fuel here is 98 and is always 98 so 12:5 should be OK not too high.. plus i'll have twin plugs.. So i guessing i will have to degree / alter timing... a bit..
** Are stock rods reliable for over boring ?.. keeping in mind my self imposed redline is 1,000-1,500 lower... Is there a 'known' limitation on them ?

Last edited by fastegg; 06-13-2019 at 05:56 PM.
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Old 06-13-2019, 05:39 PM   #5
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Re: Adjusting cam timing

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Originally Posted by swiest152 View Post
yea. you can press off and press back. IF you do this method, once you have the degree you want, should spot weld the sprockets on cams.
Is this method a 'done' thing or is it a last resort ?.... Do people commonly do this ?
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Old 06-14-2019, 01:17 PM   #6
Svracer2
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Quote:
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Quote:
Originally Posted by Svracer2 View Post
Don't bother degreeing the cams doing a cam swap. Repressing the sprockets on is a PITA.
What's a PITA ?
Pain In The Ass. Like Sam said the sprocket is a press fit. When you press it on and off multiple times the interference becomes less. Good idea to tack it with a welder to avoid a catastrophic failure.
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Old 06-14-2019, 01:27 PM   #7
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Re: Adjusting cam timing

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Originally Posted by fastegg View Post
** Are stock rods reliable for over boring ?
Just got to watch they don't hit starter
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Old 06-14-2019, 07:48 PM   #8
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Re: Adjusting cam timing

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Just got to watch they don't hit starter
Did you mean go thru the cases and hit the starter ?...
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