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Topic Review (Newest First)
04-07-2014 08:23 AM
AutoGear You're more brave than I. I loathe selling stuff to friends LOL it always becomes my problem LOL

Im kidding of course. I hope this works well for you, it's been a long time coming and I want to hear that thing roar. Keep us posted.
04-04-2014 08:44 PM
66GMC

The rockers will be installed, along with the new studs and guide plates, on my 396 close-chambered heads that I bought last summer.



EVERYTHING from the camshaft out to, and including, the valve springs, will all be brand new Comp components.

I already have a buyer for the previously reconditioned 781 heads, flat tappet cam & lifters (all still new in boxes).

He's a friend, knows my story, and wants the cam anyway. Hopefully he's still a friend after he's got his cam broken in.
04-04-2014 03:14 PM
BuzzLOL . Congrats... looks like Santa Claus came early for you...
04-04-2014 02:22 PM
66GMC It's been a long time coming ... but I've ordered the roller cam today.
The "full-meal deal":


K11-432-8

And a new set of low-profile roller rockers, too:

19021-16


Which I'm hoping will work with my *reconditioned* M/T covers.
08-05-2013 02:04 PM
AutoGear Very interested if the actual technical adviser was responding to you instead of a glorified secretary, to see what they say.

FWIW. In the PM I sent you, I wasn't suggesting buying one, as I was seeing if they were willing to say "yes if you used X from me; it'll solve your problem" They have off the shelf cams too.
08-05-2013 09:53 AM
66GMC
Quote:
Originally Posted by prostreet6t9 View Post
If ya wanna do a roller great but dont let other people make that choice for you ...
Quote:
Reguardless of if you choose to go roller or try another flat tappet camshaft in this motor.
I'm still considering installing that XE274 cam, and it's good to hear that I won't have to surrender my Hotrodders.com Membership Card.
(I can hear you banging your head on the wall from here, Gary.)

Seriously ... I don't believe that the cam(s) were at fault in either occurrence. I could just as easily make a mistake with the much larger outlay of cash as I could with this $200.00 cam and lifters. (plus gaskets, fluids, and shop supplies)

PS, I actually DID get a more personalized e-mail response from Comp Cams ... so I should take back those unkind thoughts. Waiting for a possible follow-up in the next couple of days.
08-04-2013 03:35 PM
prostreet6t9
Quote:
Originally Posted by F-BIRD'88 View Post
Reguardless of if you choose to go roller or try another flat tappet camshaft in this motor.
I have two recommendations for you.

consult with Crane Cams
Crane Cams | Automotive Home Page

consult with Isky Cams
ISKY Racing Cams - Do It Right. Race with the Legend. Camshafts, Connecting Rods, Valve Springs, Lifters

I have had 2 Comp cams XE284H-10 cams in my 400. both worked real good.
I had to replace the first one , that got damaged, for a non related reason.
The second one is still in there and still working real well.
I have listed what I do and recomend to get your best chance of a long happy flat tappet cam/lifter service life.

Comp Cams states clearly that these XE cams and all their high perf cams require correct springs, correct install, correct lubes, correct break in method.
I have never had a flat tappet cam fail to "break in" for me, But I have had friends that have had cams fail on initial run in. It has always been from failing to apply one or more of the above requirements.

I cannot tell you what the little elves at isky Cams do to make their real good Flat tappet cams, but as long as they keep doing it, I will keep on buying, using and promoting their products to others. Especially their flat tappet camshafts. I have never even seen or heard of one wearing out, ever.
X2 along with Isky,Crane,Comp Cams and Crower I've never had one go flat in the last 25 years. If ya wanna do a roller great but dont let other people make that choice for you just because they may not know how to properly break one in.

I did lose a "mail order" brand camshaft a couple years ago. Not sure if it was a bad core or user error (me) but that was the only one I've ever had problems with.
08-03-2013 11:53 AM
1Gary Hell man on our brand new aftermarket block 565 we went round and round with a solid roller and valve train damages until we finally fixed it ourselfs with the proper lifter bore clearances.Now we know better and with the next two a 632 and now the 605 we set it and forget it.
08-02-2013 09:26 AM
66GMC
Quote:
Originally Posted by gearheadslife View Post
when I was at machingshop talking over cost on machining my block. he was adment on bushings for the lifter bores..
he didn't care that I was going to run a roller..
Was there a specific reason?
Were your lifter bores worn past specs?

I'm thinking of have the bores notched for better lubrication ... will ask the machinist what he thinks.
08-02-2013 09:23 AM
66GMC
Quote:
Originally Posted by thinwhiteduke View Post
Be sure to investigate the possible coolant leak! Else you you may be doing it thrice !
Duke
Yes, I'll be re-checking the torque on those intake bolts several times after warm-up etc. It was dry this last time, and zero oil leaks from the rear china wall either.

FWIW, my machinist is taking the entire month of August off, so I'll have plenty of time for R & R, too. (reading and research)
08-02-2013 06:09 AM
gearheadslife when I was at machingshop talking over cost on machining my block. he was adment on bushings for the lifter bores..
he didn't care that I was going to run a roller..
08-02-2013 01:27 AM
thinwhiteduke Be sure to investigate the possible coolant leak! Else you you may be doing it thrice !
Duke
08-01-2013 07:13 PM
F-BIRD'88 Reguardless of if you choose to go roller or try another flat tappet camshaft in this motor.
I have two recommendations for you.

consult with Crane Cams
Crane Cams | Automotive Home Page

consult with Isky Cams
ISKY Racing Cams - Do It Right. Race with the Legend. Camshafts, Connecting Rods, Valve Springs, Lifters

I have had 2 Comp cams XE284H-10 cams in my 400. both worked real good.
I had to replace the first one , that got damaged, for a non related reason.
The second one is still in there and still working real well.
I have listed what I do and recomend to get your best chance of a long happy flat tappet cam/lifter service life.

Comp Cams states clearly that these XE cams and all their high perf cams require correct springs, correct install, correct lubes, correct break in method.
I have never had a flat tappet cam fail to "break in" for me, But I have had friends that have had cams fail on initial run in. It has always been from failing to apply one or more of the above requirements.

I cannot tell you what the little elves at isky Cams do to make their real good Flat tappet cams, but as long as they keep doing it, I will keep on buying, using and promoting their products to others. Especially their flat tappet camshafts. I have never even seen or heard of one wearing out, ever.
08-01-2013 09:08 AM
66GMC
Comp Cam's e-mail response ...

I had CC'd COMP cams a fairly detailed message, outlining most of what has been discussed here. (Actually included a link to this thread.)

This was their response ... in it's entirety.

Thaaaaaanks

Yup, now looking at alternates ... including the one you PM'd me AutoGear. Thanks!
07-31-2013 02:44 PM
F-BIRD'88 Yup coolant makes for a really really bad cam lube.
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