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-   -   Harmonic Balancer recommendation please! (http://www.clubcobra.com/forums/fe-talk/92946-harmonic-balancer-recommendation-please.html)

767Jockey 11-10-2008 09:46 AM
Harmonic Balancer recommendation please!
 
Guys,
I'm finally coming down the final stages of the build. It's a 482" sideolier in a Ford service block, Scat crank, H beam rods, Diamond pistons, all the good stuff. Solid roller cam, KC stage II heads, Ported and port matched Performer RPM, Quick Fuel 950, MSD distributor with 6AL box, going into a Contemporary Cobra. I'm using a 1972 timing cover and pointer. What balancer do I want? I can get an original '63 427 unit, but the builder wants big bucks for it, and I''m not a stickler for originality. For an aftermarket unit he wants to use a Fluiddamper, but in the back of my mind I have a faint recollection of some negative comments about these. The engine won't be going over 6500 rpm. What balancer do you guys recommend to work with this engine, cover and pointer? By the way the pointer does not have degree marks on it, it's just a pointer. Thanks!
Doug

Snakebit 11-10-2008 10:00 AM
Look for a Romac. SFI approved. Stay away from Fluid Damper.

Jerry Clayton 11-10-2008 10:02 AM
We use ATI super dampners on our builds---for the ford FE the bolt pattern on the dampner is for a bbc and you'll need to offset drill the pulley holes .050 to use original pulleies---if you want to use later or aftermarket just use with a chev bolt pattern

The dampner that I would stay away from is the fluiddamper---every time I see a broken crank it has a fluid dampner on it---

Have you got back to the 767 yet???

767Jockey 11-10-2008 10:30 AM
Quote:
Originally Posted by Jerry Clayton (Post 896875)
We use ATI super dampners on our builds---for the ford FE the bolt pattern on the dampner is for a bbc and you'll need to offset drill the pulley holes .050 to use original pulleies---if you want to use later or aftermarket just use with a chev bolt pattern

The dampner that I would stay away from is the fluiddamper---every time I see a broken crank it has a fluid dampner on it---

Have you got back to the 767 yet???
Thanks, Jerry. No, I'm still in the 737. Can't hold the left seat in thew 757/767 for quite a while yet.
I'd like to use the original pulleys without messing with them. What can I use that is decent and can use the pulley's that I have now?

Jerry Clayton 11-10-2008 10:51 AM
You can use original by elongating bolt holes outward by .050

We are working on one today----427---4.260 X 4.250--Kieths Stage 2 Edelbrock heads

Index pulley in mill and run 3/8 mill thru holes



Jerry

PS---I get asked often if I miss flying----look up, find one headed into the sun and say---those guys will be staring at the sun for the next 4 hours, and then they may get to piss into a bottle while some bimbo listens from an open door to a rest room that only has cold water-----nauuuuu, don't miss it---instead I get to look forward to my retirement check arriving from PBGA and SS on the 3rd Wednesday--

767Jockey 11-10-2008 11:19 AM
Quote:
Originally Posted by Jerry Clayton (Post 896888)
You can use original by elongating bolt holes outward by .050

We are working on one today----427---4.260 X 4.250--Kieths Stage 2 Edelbrock heads

Index pulley in mill and run 3/8 mill thru holes



Jerry

PS---I get asked often if I miss flying----look up, find one headed into the sun and say---those guys will be staring at the sun for the next 4 hours, and then they may get to piss into a bottle while some bimbo listens from an open door to a rest room that only has cold water-----nauuuuu, don't miss it---instead I get to look forward to my retirement check arriving from PBGA and SS on the 3rd Wednesday--
Thanks again, Jerry. I used to love it - now with all the BS and disrespect that we put up with, I can't wait to be finished. Sort of a shame, isn't it? It used to be the best job on Earth. Now I get to be harassed on a daily basis by some TSA idiot with no ability to speak my language, taking away my damned bottle of shampoo that he or she thinks I will somehow use to take over an airplane. One day these idiots will figure out that I already have the keys to the damned airplane, and I'm already flying it. Anyway, back to engines.........

blykins 11-10-2008 03:28 PM
Doug, I answered you on the FE forum as well.....Professional Products is the best bang for the buck. Inexpensive, but good quality. I've used them several times on my own engines and will use them again.

vector1 11-10-2008 06:59 PM
ati. call them up and they might even elongate the holes for you. i had em put magnets in mine and they (i guess one guy) was real friendly and accomodating.

737's not so bad. pilots seem friendly enough.

convincor 11-11-2008 01:47 AM
I've also use the Professional Products. no problems.
street/strip rated to 6500rpm- http://performanceparts.com/part.php?partID=204235

SFI race cert http://performanceparts.com/part.php?partID=204224


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