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Indy maxx block problems, cam bearings spun....
#422860
07/29/09 12:32 PM
07/29/09 12:32 PM
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Joined: Jun 2007
Posts: 2,646
Plymouth Meeting, PA
bigtimeauto
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well now i have another issue. Got about 35 passes on this engine. It lost 4 mph but i didn't think anything about it since i was changing the combo anyway. So i just took it apart and was looking for a way to help return the top end oil quicker and i see the front 3 cam bearings have all turned. The block came from indy with the bearings installed. I didn't measure it yet so i don't know if the registers are the correct size or not so don't know what my fix is going to be. i guess some green loctite and drill some holes for pins. Another thing i see is the sleeves are now down lower than the deck by a few thousands. So my question is...is anybody else having these same issues and what have you done to fix them. thanks, bob 
BB, TT5,Procharged 3300lb Street Car 4.79/154
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Post deleted by Defbob
[Re: bigtimeauto]
#422861
07/29/09 12:35 PM
07/29/09 12:35 PM
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Anonymous
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Re: Indy maxx block problems, cam bearings spun....
#422862
07/29/09 12:37 PM
07/29/09 12:37 PM
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Joined: Jun 2007
Posts: 2,646
Plymouth Meeting, PA
bigtimeauto
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me, and everything is still fine. On my brodix block in my race car they are pinned so i guess i will be pinning these.
BB, TT5,Procharged 3300lb Street Car 4.79/154
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Re: Indy maxx block problems, cam bearings spun....
[Re: bigtimeauto]
#422863
07/29/09 03:22 PM
07/29/09 03:22 PM
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Joined: Jun 2007
Posts: 2,646
Plymouth Meeting, PA
bigtimeauto
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well it seems all the indy stories are true. The front cam bearing bore is .006 over spec and indy green loctited the front bearing in. 2+3 are "only" .003 over. Screwed up part is durabond makes a oversized bearing they could have put in but now i have to bore the cam tunnel and fix it myself.
BB, TT5,Procharged 3300lb Street Car 4.79/154
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Post deleted by Defbob
[Re: bigtimeauto]
#422864
07/29/09 04:00 PM
07/29/09 04:00 PM
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Anonymous
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Re: Indy maxx block problems, cam bearings spun....
#422865
07/29/09 04:07 PM
07/29/09 04:07 PM
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Joined: Jun 2004
Posts: 1,217
Wellington, FL
cudabunch
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pro stock
Joined: Jun 2004
Posts: 1,217
Wellington, FL
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Quote:
go for roller bearings 
Iam guessing Fred knows what he is talking about being an owner of a few 
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Re: Indy maxx block problems, cam bearings spun....
[Re: bigtimeauto]
#422866
07/29/09 04:57 PM
07/29/09 04:57 PM
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Joined: Sep 2007
Posts: 876
Arizona
PolyDart
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Arizona
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Quote:
well now i have another issue. Got about 35 passes on this engine. It lost 4 mph but i didn't think anything about it since i was changing the combo anyway. So i just took it apart and was looking for a way to help return the top end oil quicker and i see the front 3 cam bearings have all turned.
Just sucks to hear stories like this  I've yet to run mine. I asked both Indy and the guy who sold me the block whether I needed to open up the valley oil passages and pin the cam bearings. The look I got from the Indy guys at the Mopars at the Strip event was like "you stupid fu** how dare you question our engineering. That was basically the answer I got from them too. "Don't touch the galley holes, and the cam bearings are fine as is and won't spin". It sure as hell would have been a lot easier to deal with while my engine was still at the machine shop and not all buttoned up.
A guy shouldn't have to worry about this kind of thing after spending the big bucks on "high end" American made parts.
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Re: Indy maxx block problems, cam bearings spun....
[Re: PolyDart]
#422867
07/29/09 05:08 PM
07/29/09 05:08 PM
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Joined: Jun 2004
Posts: 1,217
Wellington, FL
cudabunch
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Quote:
Quote:
well now i have another issue. Got about 35 passes on this engine. It lost 4 mph but i didn't think anything about it since i was changing the combo anyway. So i just took it apart and was looking for a way to help return the top end oil quicker and i see the front 3 cam bearings have all turned.
Just sucks to hear stories like this I've yet to run mine. I asked both Indy and the guy who sold me the block whether I needed to open up the valley oil passages and pin the cam bearings. The look I got from the Indy guys at the Mopars at the Strip event was like "you stupid fu** how dare you question our engineering. That was basically the answer I got from them too. "Don't touch the galley holes, and the cam bearings are fine as is and won't spin". It sure as hell would have been a lot easier to deal with while my engine was still at the machine shop and not all buttoned up.
A guy shouldn't have to worry about this kind of thing after spending the big bucks on "high end" American made parts.
I agree with you but as long as i have reading these threads, i have learned to buy Indy stuff through someone you trust and have them check it out before using it.Then if its wrong you can take it out on them.
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Re: Indy maxx block problems, cam bearings spun....
[Re: nhramark]
#422872
07/29/09 10:12 PM
07/29/09 10:12 PM
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Joined: Jun 2007
Posts: 2,646
Plymouth Meeting, PA
bigtimeauto
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Hey Indy you reading this? You can just ship me a new block for free thank you.
BB, TT5,Procharged 3300lb Street Car 4.79/154
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Re: Indy maxx block problems, cam bearings spun....
[Re: bigtimeauto]
#422873
07/29/09 10:14 PM
07/29/09 10:14 PM
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Joined: Oct 2004
Posts: 5,618
long island NY
Ari440
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long island NY
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for you guys that have indy blocks
do you think you where beter off with a keith black block
1.39 9.85 - 137 mph
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Re: Indy maxx block problems, cam bearings spun....
[Re: Ari440]
#422874
07/29/09 10:16 PM
07/29/09 10:16 PM
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Joined: Jun 2007
Posts: 2,646
Plymouth Meeting, PA
bigtimeauto
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At this point i will say yes. My problem was i was hell bent to build a short deck engine so indy was the choice. in hind site i should have just built a iron block rb height.
BB, TT5,Procharged 3300lb Street Car 4.79/154
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Re: Indy maxx block problems, cam bearings spun....
[Re: fbs63]
#422876
07/29/09 11:13 PM
07/29/09 11:13 PM
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Joined: Jun 2007
Posts: 2,646
Plymouth Meeting, PA
bigtimeauto
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It would have If i would have taken it apart before i had the new combo on the shelf.
BB, TT5,Procharged 3300lb Street Car 4.79/154
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Re: Indy maxx block problems, cam bearings spun....
[Re: nhramark]
#422878
07/30/09 07:19 AM
07/30/09 07:19 AM
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Joined: Jan 2003
Posts: 4,067
Shelby Twp. Mi
HardcoreB
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Shelby Twp. Mi
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Quote:
Or "I bored that front cam bearing area 3 times and it's still too big."
LOL
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That is as is regarding the problems mentioned here... Not as is without checking clearances etc... 
