Originally Posted by littledcsrodshop
(Post 2512892)
I agree on the not wanting to run it at that RPM without a load on it causing the washdown...
Please don't think I am disagreeing with you on the spring pressure issue because as you already know I hold your experiance , reputation , opinion & help in high regaurd... But I am curious as to not worrying about the spring pressure issue ? I am not one of those people that believe everything I read or hear & I know that the cam companys like to cover there butts esp. with the issues they have had over the last few years... I just know that I have always heard & followed that aound 120-130# on the seat was the cutoff for break in... Just courious as to your thinking behind that ? & like I said your opinion is held high & thats why I am asking... I am always willing to learn , esp. from good sources !! |
Originally Posted by jeff1000man
(Post 2512908)
I always learned that it was the open pressure that is the killer, but I would like to know what Dean has to say.
|
Originally Posted by littledcsrodshop
(Post 2512918)
Same here , I believe that its somewhere around 320# orso on the open that most recomend as max & that was my main reason for looking for the low ratio's b/c it would keep my preasure below that during break in.
|
Originally Posted by jeff1000man
(Post 2512995)
As long as you flatten it out before you put it in the boat, you can always cahnge it. :party-smiley-004::evilb::grinser010:
Just cheacked & my pressures are 140 on the seat & 330 open |
Originally Posted by littledcsrodshop
(Post 2514004)
Like to think ahead huh !:p :D
Just cheacked & my pressures are 140 on the seat & 330 open Those cams are a lot more resilient than people give them credit for. I have found that it is most often the camshaft being defective. I can only remember 1 in the laast year out of anyone that I know that uses them that has killed one. And that was me. Had a bad carburator and couldn't get the thing to run until it was to late. You'll be fine. |
Originally Posted by jeff1000man
(Post 2514023)
I've got one that was broken in on 150 seats. and after a couple hours I am running it on 190 seats and 500 open.
Those cams are a lot more resilient than people give them credit for. I have found that it is most often the camshaft being defective. I can only remember 1 in the laast year out of anyone that I know that uses them that has killed one. And that was me. Had a bad carburator and couldn't get the thing to run until it was to late. You'll be fine. Btw : You have a sweet magnum , As you may already know I am a huge fan of the classics myself ! |
Originally Posted by littledcsrodshop
(Post 2514168)
Thanks , That does make me feel a bit better. Like I said I have never had a problem but I just wnat to make sure I cover all my bases...
Btw : You have a sweet magnum , As you may already know I am a huge fan of the classics myself ! 250 blower, twin 750's, chiller, 7.6:1 dished pistons, 1/4 long rods, 4" crank. 242/250 .680 lift solid roller cam on 112+4, edelbrodk marine aluminum heads, all the regular highe dollar chit. I have most of it laying around that I hadn't been able to sell, so that stuff will have a home now. Engine should make that boat cook pretty good. Thanks for the compliment. Good luck with your project. |
All times are GMT -5. The time now is 05:56 AM. |
Copyright © 2024 MH Sub I, LLC dba Internet Brands. All rights reserved. Use of this site indicates your consent to the Terms of Use.