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-   General Q & A (https://www.offshoreonly.com/forums/general-q-20/)
-   -   Cam and valvetrain longevity....??? low duration high lift... (https://www.offshoreonly.com/forums/general-q/341258-cam-valvetrain-longevity-low-duration-high-lift.html)

getrdunn 10-04-2016 09:47 PM
Originally Posted by Full Force (Post 4488343)
Justin yes... forgot about that, another guy offered also..
I can see the moving forward but can you imagine if they didn't check out??? Two things off the top of my head would be others would be pulling cams regardless because of serious potential problems and the other is all the more ammunition you have to go after Bob with some kind of settlement. Kinda like buying a 4340 forged steel Callie's crank and come to find out its 5140. Now on the other hand your lower grade 4340 forged cranks aren't always as advertised. Valako and I had a talk about this just a couple weeks ago.

Full Force 10-04-2016 09:50 PM
Bob would still blame me... I did it wrong LOL

Originally Posted by getrdunn (Post 4488350)
I can see the moving forward but can you imagine if they didn't check out??? Two things off the top of my head would be others would be pulling cams regardless because of serious potential problems and the other is all the more ammunition you have to go after Bob with some kind of settlement. Kinda like buying a 4340 forged steel Callie's crank and come to find out its 5140. Now on the other hand your lower grade 4340 forged cranks aren't always as advertised. Valako and I had a talk about this just a couple weeks ago.

offshorexcursion 10-04-2016 09:54 PM
Originally Posted by kvogt (Post 4488267)
I ran my MK cams for one season then pulled them due to abnormal lobe wear and the engines didn't make the power I was expecting. They kinda went flat after 5000 rpms.

Motors
605 inch blower motors with brodix bb3 xtraO heads.

Cam
254/262 at 50 duration 705/680 lift

The cam doctors numbers were farther off than what I would have expected. Cam doctor showed the cam to be larger by a few degrees at 50.
So basically the custom cam you purchased underperformed and was unreliable.

How was Bob's customer service?

Would you do business with Marine Kinetics again?

ICDEDPPL 10-04-2016 10:05 PM
timmy
 
If it was me I`d take those heads to my guy at High Flow heads. Mike has 30 years of experience , meticulous, and doesn`t do anything but heads. Checks everything.
Who is this bill guy that`s your new hero?

Crude Intentions 10-04-2016 10:08 PM
Originally Posted by MILD THUNDER (Post 4488348)
I like "accurate to within a millionth of an inch"

bck 10-04-2016 10:09 PM
Originally Posted by MILD THUNDER (Post 4488334)
If i were Tim, I would be sending the cam out for a hardness check .
It's been suggested that there is an issue with the cores or the hardening or the machine that grinds them. Not 1 person has ever sent a cam to Cam Motion and asked their opinion on what if anything is wrong? No one has ever called them and asked what they thought of a given profile? Email would actually be best so it's in writing with someone's name attached.

Full Force 10-04-2016 10:13 PM
No new hero, did all my ford stuff with him... Lost touch for a while, didn't know he was doing his own thing until after I was into this project... Hes done many successful builds with boats also... He's never let me or anyone down so he's in charge now.

Originally Posted by ICDEDPPL (Post 4488356)
If it was me I`d take those heads to my guy at High Flow heads. Mike has 30 years of experience , meticulous, and doesn`t do anything but heads. Checks everything.
Who is this bill guy that`s your new hero?

Full Force 10-04-2016 10:14 PM
1 Attachment(s)
Found this... Seems they sucked from the get go!! Always "call me" nothing in writing....

[ATTACH=CONFIG]560138[/ATTACH]

bck 10-04-2016 10:19 PM
Originally Posted by getrdunn (Post 4488350)
I can see the moving forward but can you imagine if they didn't check out??? Two things off the top of my head would be others would be pulling cams regardless because of serious potential problems and the other is all the more ammunition you have to go after Bob with some kind of settlement. Kinda like buying a 4340 forged steel Callie's crank and come to find out its 5140. Now on the other hand your lower grade 4340 forged cranks aren't always as advertised. Valako and I had a talk about this just a couple weeks ago.
If anything didn't check out it seems like that would be on Cam Motion since they do all the machining, hardening etc. What's the industry standard for hardening that you would be comparing them to?

ICDEDPPL 10-04-2016 10:19 PM
Originally Posted by Full Force (Post 4488361)
No new hero, did all my ford stuff with him... Lost touch for a while, didn't know he was doing his own thing until after I was into this project... Hes done many successful builds with boats also... He's never let me or anyone down so he's in charge now.
Joe looks like you got the middle finger. Bills who does Fords in charge now . sweet,
Ford Overheads cams ?.. , now you have to buy twice the cams . , Hi yes I`d like 8 cams please, make em hard thou. Like me on Viagra, thank you.

:D


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