cam timing

WFE270NWIA · Dec 30, 2014

Going through the WD Allis engine this winter and had a WD 45 cam ground. The cam grinder did not change the timing of the cam. What should the cam timing be set at? thanks

mEl · Jan 1, 2015

The cam card should have the centerline on it that the cam is ground to and should be installed at. That being said, engine builders often bump the centerline one way or the other a couple degrees depending on their testing and rpm range required. Get tight with an AC builder, I'm sure you will get the info you need. Be sure you degree the cam in to the spec you are given. Various issues can cause the centerline to be way off from optimum, I once had a cam that was 14 degrees off recommended centerline and you would not know that unless degreeing the cam. It is a step many do not take but not me.

David G · Jan 1, 2015

Advancing a cam gives you low end torque, retarding high end, either option will cut you down on the other end.

WFE270NWIA · Jan 1, 2015

Cam card does not have intake center line on it. I
think it is still same as stock WD-45. I have
heard 104-105 deg. would be right, just wanted a
little more input. Thanks.

VicS · Jan 3, 2015

Did you get this can used? If so try to find out who ground it and ask them. Stock may not be even close. Better have a new one ground by a reputable shop. Vic

mEl · Jan 3, 2015

Vic,

that was pretty much my thought also. Every cam I have ever had ground had the specs on the card including the centerline.
I as yuo would like to work with a cam I knew something about.

gtx1967jewison · Jan 4, 2015

Perhaps in the good old days guys. Most don't come with a
card at all these days. I've installed 3 Deere cams in the last 2
years, all from different grinders & none had a card at all. Ask
the guy & they say "just put it straight up" & they won't give
you any numbers at all.

Josh Blackburn · Jan 4, 2015

It's a secret sometimes lol

blue924.9 · Jan 5, 2015

(quoted from post at 22:16:56 01/04/15) It's a secret sometimes lol

hi guys WFE is my grandpa and we are working on this tractor and engine together.

he got the cam from a parts tractor reground by barry's cams in MN. for the cam timing it just says stock timing.

49oliver88 · Jan 6, 2015

Bullet cans can tell you what you have. You'll have to send it to them and ask for it to be cam doctored that will tell you all the specs.

Goldsburg · Jan 6, 2015

I would stop buying cams from those people. As Mel said, there are numerous things that can cause "factory" cam timing marks to be waaaaayyyy off. The cam grinders should supply you with an Intake Centerline, even if the grind is a "secret"...

As with Mel, I have seen "factory" marks off as much as 16 degrees...

Regards,

Goldsburg

VicS · Jan 6, 2015

Sorry didn't answer your question.
Find top dead center. Need degree
wheel on crank first. Then a positive
piston stop. Turn right hand till it
hits then set pointer. Then left and
read where pointer is. TDC is in
middle. To find center of Cam . Set
dial indicator on number one intake lobe lifter if possible.
turn to right find highest lift. Go
back down .050. Then left. And back
down .050. Write those numbers down.
Add them and divide by 2. If you done
it right this no. Should be close to
102. So with can on center. And crank
on tdc. Gears should fit. If not will
have to file a offset key. If this is
clear as mud Google it. Vic.

Josh Blackburn · Jan 7, 2015

Agreed

mEl · Jan 7, 2015

(quoted from post at 07:33:37 01/07/15) Agreed

Hey Josh,

You coming to the Keystone pull in March this year?

mEl

gtx1967jewison · Jan 7, 2015

Really??

cam timing

WFE270NWIA

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