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 Post subject: Oil Restriction ?
PostPosted: Sat Sep 28, 2013 11:31 pm 
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Joined: Sat Jan 19, 2013 7:50 am
Posts: 166
Location: wv
So here's my question.
I've used the Moroso oil restrictor's in the past and have a couple sets on the shelf for future builds. The Moroso parts have seemed to work ok with no issues with solid roller cam combo's.
Now take into this that I'm not a machine shop person.
I usually deal with a Ford specific local machine shop thats familiar with Ford combo's.
I figured this would be a good Talking/Info topic.
Should I just still go ahead with using the old school Moroso oil restrictor kit or give the TMeyer cam bearings a go on a stock 351C block combo with a solid roller cam?

I thought this was a good question and I'd ask for opinions.

Whats the better choice for one over the other?

Tater


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 Post subject: Re: Oil Restriction ?
PostPosted: Sun Sep 29, 2013 8:15 am 
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Joined: Wed Nov 07, 2012 12:26 pm
Posts: 226
They both work. 3 things about tims bearings I like are: no tiny hole to be plugged up with trash and starve the bearing. Also, they support and oil the camshaft better than a standard bearing with a restrictor. Finally, there's no drilling and tapping involved. Just install the bearings. The moroso kit has worked great for decades in race engines.. For a street engine I think tims bearings are the ticket.


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 Post subject: Re: Oil Restriction ?
PostPosted: Sun Sep 29, 2013 9:39 am 
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Joined: Tue Nov 06, 2012 10:23 am
Posts: 947
Location: Texas
Well, you do have to drill one oil galley in the #1 main saddle and you do have to tap and plug the big hole in the #1 main galley for Tims bearings but i think it is a hell of alot quicker and easier to install Tims bearings instead of having to tap all 5 mains!

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 Post subject: Re: Oil Restriction ?
PostPosted: Sun Sep 29, 2013 7:01 pm 
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Joined: Wed Nov 07, 2012 12:26 pm
Posts: 226
Good point Matt, I forgot about that. That's a mod that can be used with either restriction. I used it with the moroso kit and it's worked good so far to 7000rpm and beyond a few times. I'm using tims bearings in a big block and they are very nice. Tater what do you want to do with this engine?


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 Post subject: Re: Oil Restriction ?
PostPosted: Sun Sep 29, 2013 7:11 pm 
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Joined: Mon Oct 29, 2012 9:05 am
Posts: 2459
IMO, it will all depend on how high you want to spin it. Up to 7000 rpm, I use Tim's cam bearings, and that's it. Some guys are comfortable with the Moroso kits, some are comfortable with external lines, etc. I don't run a ton of bearing clearance either....usually shoot for .001"/inch of journal, so about .003 on mains, .0020-.0025 on SBC sized rod journals, and about .0025" on a standard Cleveland rod journal size.

My general thought is to keep oil to the mains and keep oil to the lifters. If you restrict oil to the cam bearings, then it will be more to the mains. If you keep the oil to the lifter bores, it will help the lifters. I hardly ever restrict oil to the lifters. If I use a solid flat tappet, I will run an EDM lifter and like lots of oil between the lobe and lifter. If I run a solid roller, I'll run a Crower HIPPO, Isky RedZone EZ roll, etc., and since these are pressure fed lifters, I keep oil to them.

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Brent Lykins, Lykins Motorsports
www.lykinsmotorsports.com
brent@lykinsmotorsports.com


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 Post subject: Re: Oil Restriction ?
PostPosted: Thu Oct 03, 2013 4:24 pm 
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Joined: Sat Jan 19, 2013 7:50 am
Posts: 166
Location: wv
Thanks for the replies guys!!
I've haven't been on the board for a few days and just checked to read the replies.
I'll reply later with I'm sure more questions and info on my future builds. ;)


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 Post subject: Re: Oil Restriction ?
PostPosted: Fri Sep 07, 2018 6:19 pm 
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Joined: Fri Aug 17, 2018 9:33 pm
Posts: 36
Hey,

Just come across this thread, I'm getting some of Tim's cam bearings installed in a few weeks, is the mod above to #1 saddle a must do then?

Cheers,
Rob.


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 Post subject: Re: Oil Restriction ?
PostPosted: Sat Sep 08, 2018 7:06 am 
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Joined: Tue Nov 06, 2012 10:23 am
Posts: 947
Location: Texas
XAFALCON

Yep the #1 main mod must be a must if Tim says it is. Your bearings should come with the same diagram in the packaging, mine did. I have a solid flat cam in my 359c. I have Tim's bearings along with the EDM lifters and high volume oil pump I got from Brent. I run the Valvoline VR1 racing strait 50 oil in mine and my oil gauge says 80 psi when cold then 60 psi when hot at idle. On my dyno runs it stayed in the 70 psi range from start to finish

Matt


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 Post subject: Re: Oil Restriction ?
PostPosted: Sat Sep 08, 2018 1:00 pm 
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Joined: Fri Aug 17, 2018 9:33 pm
Posts: 36
Hey Matt,

Thanks for reply, I have Tim's bearings ready to go but there was no diagram enclosed like that one you posted so thought I better ask.....


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 Post subject: Re: Oil Restriction ?
PostPosted: Sat Sep 08, 2018 7:23 pm 
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Joined: Tue Nov 06, 2012 10:23 am
Posts: 947
Location: Texas
You know what, your right there wasn't one. I printed the picture and gave it to the engine builder. Sorry the engine was finished in 2013, how time flys.


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