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Big Block Talk! Everything about swapping a big block engine into your cart!



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Unread 04-10-2016, 12:28 PM   #11
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Default Re: Found the issue

Are they re-grinds? A lot of the aftermarket cams are. We can't use them in our modded 35's in our mud motor applications.
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Unread 04-10-2016, 12:30 PM   #12
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Default Re: Found the issue

Quote:
Originally Posted by LostHusker View Post
Well the cart has not been running correctly for the past few months and for the life of me could not figure out what was going on. It seemed to run pretty good when I took it to the coast last summer but then it sat a little bit and well we all know when something doesn't feel right. Well I finally pulled the engine to see what the problem was or if I could find anything, I started to think I was maybe getting valve float so I installed a new set of springs. Once this was done I learned more about TDC , some of this is still new to me.. Well once I was trying to set the valve backlash this is when I noticed cylinder 2 was barely moving while rotating the engine. At this point I had no choice but to crack open the engine all the way. Pulled the cam and started to examine what the issue was, well take a look at the pic and see what I saw. Note I installed this about a year ago.

WOW Did you back to the stock cam with the govenor parts removed?
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Unread 04-10-2016, 12:34 PM   #13
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Default Re: Found the issue

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Originally Posted by smallblock450sl View Post
WOW Did you back to the stock cam with the govenor parts removed?
Dave

I was just going to put the stock 23 back in, but wanted to advance it one tooth but was not sure which way to advance it..something new and still not sure of it. I had already removed the weights off the 23 but took it too far so now I don't it can be used again. As two lobes have a bearing on them and as the cam speeds up it pushes them out. I just used it as a reference since the lobes are in the same place, easy to see. I ended up buying another HP cam from Tom.
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Unread 04-10-2016, 12:35 PM   #14
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Default Re: Found the issue

Quote:
Originally Posted by 270Handiman View Post
Are they re-grinds? A lot of the aftermarket cams are. We can't use them in our modded 35's in our mud motor applications.
Couldn't tell ya, will drain oil out of bucket later today and filter it to see if anything shows up, nothing in the crank case.
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Unread 04-10-2016, 12:42 PM   #15
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Default Re: Found the issue

Quote:
Originally Posted by LostHusker View Post
Dave

I was just going to put the stock 23 back in, but wanted to advance it one tooth but was not sure which way to advance it..something new and still not sure of it. I had already removed the weights off the 23 but took it too far so now I don't it can be used again. As two lobes have a bearing on them and as the cam speeds up it pushes them out. I just used it as a reference since the lobes are in the same place, easy to see. I ended up buying another HP cam from Tom.
What did Tom say about the lobe problem?
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Unread 04-10-2016, 12:43 PM   #16
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Default Re: Found the issue

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Originally Posted by smallblock450sl View Post
What did Tom say about the lobe problem?
Well I didn't purchase it from him so I never called him about it. If you look at the OP I could of caused it.... but I'm not sure.
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Unread 04-10-2016, 12:47 PM   #17
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Default Re: Found the issue

Sorry, I didn't relize it was not Tom's cam
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Unread 04-10-2016, 01:07 PM   #18
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Default Re: Found the issue

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Originally Posted by LostHusker View Post
Ron

When I took the oil filter off there I was very careful on how I dumped it, no signs of metal. I am curious if has happened to anyone else.
Was there an earlier oil change that could have had the debris before you realized there was a problem?
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Unread 04-10-2016, 01:33 PM   #19
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Nope oil is changed once a year only, just drained was trying to upload the video but it will need to wait. Lots of little pieces of metal in the pan.
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Unread 04-10-2016, 09:11 PM   #20
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Default Re: Found the issue

So what are you thinking happened here?
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