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 45 Mag questions 
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Joined: Tue Aug 14, 2012 9:16 pm
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Location: utah
Post 45 Mag questions
alright i just got the mud buddy 45 mag (used) back fires when im starting sometimes it and kinda sounds like it has a knock when its idling but the guy says it has 3 hrs on rebuilt motor is this normal it still runs good starts good and i took it out and ran it the other night and it runs like a champ is there anything you guys would look at i changed the oil and everything. so idk i just dont wanna get stranded.


Sun Sep 09, 2012 5:18 pm
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Post Re: 45 Mag questions
Knocking is never a good thing. Best bet would be to spend the $ and get it checked out.

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Sun Sep 09, 2012 5:39 pm
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Post Re: 45 Mag questions
The 45 MAGs seem to be notorious for excessive valve gaps. I would start there. The valve lash should be set between. 004-.006 for that motor.


Sun Sep 09, 2012 6:09 pm
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Post Re: 45 Mag questions
did you not run it/test it before you bought it :?


Sun Sep 09, 2012 6:39 pm
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Sun Sep 09, 2012 6:54 pm
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Post Re: 45 Mag questions
Stock Rockers- .004-.006
BPS Rockers (stock Cam) .005-.006
BPS Rockers (BPS Cam) .006-.008
Eagle Rockers - .006-.008
First generation 45Mag Rockers (nothing printed on them)- .008-.010

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Sun Sep 09, 2012 7:44 pm
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Post Re: 45 Mag questions
Its pretty hard to test drive something when its in Wisconsin and your in Utah lol but i will deffinatly have it checked its just not really like a distinct knocking noise i have heard motors knock but if you all must know i only paid 3500 for it so no matter what i think its still a good deal


Sun Sep 09, 2012 8:30 pm
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Post Re: 45 Mag questions
:lol: didn't see where anyone asked how much you paid, but congrats on the purchase of the new money pit.

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Sun Sep 09, 2012 10:33 pm
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Sun Sep 09, 2012 11:48 pm
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Post Re: 45 Mag questions
What rpm on idle?

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Mon Sep 10, 2012 4:47 am
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Post Re: 45 Mag questions
Man rob you sure could ease up on the POM POM waving a little. Not to long ago you was running the same thing. LOL

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Mon Sep 10, 2012 7:24 am
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Post Re: 45 Mag questions
I wasn't waiving em, I was actually gonna try to help. :lol:

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Mon Sep 10, 2012 8:49 pm
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Post Re: 45 Mag questions
After Market Roller Rockers will make a little noise in these engines, its normal though, that could be what you are hearing


Mon Sep 10, 2012 8:51 pm
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Post Re: 45 Mag questions
your probably right Takem. i had it checked out and it was fine and it runs strong i had a dixie before and although it was a good motor this is like a Benz compared to that having the clutch and everything is so nice and Rob. your are THE biggest shit talker ever haha but i like it. i swear you are on every thread i look at haha and its hilarious when you piss off robin


Mon Sep 10, 2012 9:29 pm
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Post Re: 45 Mag questions
:-? Me??? Nah, not me. Robn is a good dude, I was just giving him a hard time. :lol:

When you said it was knocking I assumed you meant really knocking, not the clatter from the roller rockers. Glad it checked out ok.

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Mon Sep 10, 2012 9:49 pm
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