HiPo 289 Camshaft Specs
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woodsnake
15 Year Member
Any particular reason you want to stay with the 40+ year old sticks? Lots of new and improved parts to be had to day....
I was wondering what the specs were, to see what was out there in new grinds. I don't want to go overboard and ending up with something that isn't going to be streetable.
Kevin
If you have not been there try: www.hipomustang.com This is a K-Code Mustang web site with lots of K specific information and knowledgeable people. If your car is not yet in the registry please add it, Among other parts, the founder/webmaster of the site sells original spec HiPo cams.
Jack
Jack
Thanks Jack, I have been there, My dad's car is in the registry, but mine has been in storage for some 15 years and I forgot to put it in there when I got it out. I'll register mine here soon.
My cam is fine, car runs great, but being a male makes me want to make it stronger running than it already is.lol
Kevin
Hipo cam specs:
Part Number C3OZ-6250-C
Application: 63-67 289 HiPo (and 68 service)
Lifter: Mechanical, lash 0.019"
Intake events: open 46* BTC, 12* ATC; close 80* ABC, 26* ABC (not sure what 2nd number means)
Exhaust events: open 94* BBC, 36* BBC; close 36* ATC, 22* BTC
Duration: 310* both I/E
Lobe lift: 0.298" lobe, 0.480" valve
Overlap: 82*
Mark: VE (between distributor gear and first journal
For comparison, the stock 289/302 (65-72) cam shaft specs are:
Part Number C3AZ-6250-V
Application: 65-66 289, 68-72 302
Lifter: Hydraulic
Intake events: open 16* BTC, 40* ATC; close 70* ABC, 8* ABC Exhaust events: open 44* BBC, 1* BBC; close 20* ATC, 27* BTC
Duration: 266*/244* I/E
Lobe lift: 0.230"/0.237" I/E (lobe), 0.360"/0.80" I/E (valve)
Overlap: 36*
Mark: UA (between last lobe and journal)
There seem to be at least two Boss 302 cam specs, DOZZ-6250-A (290* duration, 58* overlap and 0.477" valve lift) and D0ZX-6250-B (324* duration, 114* overlap and 0.589" valve lift). The second is more like the B2 spec I remember. The first seems like a solid lifter version of the standard hydraulic lifter C9OZ-6250-C over-the-counter cam.
I hope this helps. Sorry I don't have the specs for the Le Mans cam. I do have more complete specs for the B302 cams listed above if needed. I'm sorry I don't have the source listed--this was something I have on an Excel spreadsheet from long ago.
Daniel
Part Number C3OZ-6250-C
Application: 63-67 289 HiPo (and 68 service)
Lifter: Mechanical, lash 0.019"
Intake events: open 46* BTC, 12* ATC; close 80* ABC, 26* ABC (not sure what 2nd number means)
Exhaust events: open 94* BBC, 36* BBC; close 36* ATC, 22* BTC
Duration: 310* both I/E
Lobe lift: 0.298" lobe, 0.480" valve
Overlap: 82*
Mark: VE (between distributor gear and first journal
For comparison, the stock 289/302 (65-72) cam shaft specs are:
Part Number C3AZ-6250-V
Application: 65-66 289, 68-72 302
Lifter: Hydraulic
Intake events: open 16* BTC, 40* ATC; close 70* ABC, 8* ABC Exhaust events: open 44* BBC, 1* BBC; close 20* ATC, 27* BTC
Duration: 266*/244* I/E
Lobe lift: 0.230"/0.237" I/E (lobe), 0.360"/0.80" I/E (valve)
Overlap: 36*
Mark: UA (between last lobe and journal)
There seem to be at least two Boss 302 cam specs, DOZZ-6250-A (290* duration, 58* overlap and 0.477" valve lift) and D0ZX-6250-B (324* duration, 114* overlap and 0.589" valve lift). The second is more like the B2 spec I remember. The first seems like a solid lifter version of the standard hydraulic lifter C9OZ-6250-C over-the-counter cam.
I hope this helps. Sorry I don't have the specs for the Le Mans cam. I do have more complete specs for the B302 cams listed above if needed. I'm sorry I don't have the source listed--this was something I have on an Excel spreadsheet from long ago.
Daniel
Thanks, I have the specs for the LeMans cam from a picture I found on e-bay a few years back from an NOS LeMans cam he was trying to sell.
For anybody wondering about it, it runs
I- 318 degrees E-304degrees
Lift .510"
Part number is C7FE-6250-A
It doesn't seem to be that much hotter to me. I'm sure the technology has changed alot over the last 40+ years. I'll run what I have for now, but knowledge is everything in life. The 282 cam looks like fun, maybe I'll change it later to that and see how it runs.
Kevin
Oh, then I do have those specs in my chart. I didn't realize that this was the Le Mans grind:
Part Number C7FE-6250-A
Application: Over the counter
Lifter: Mechanical, lash 0.020"/0.025" I/E
Intake events: open 52* BTC, 6* ATC; close 86* ABC, 30* ABC
Exhaust events: open 82* BBC, 40* BBC; close 42* ATC, 4* BTC
Duration: 318*/304* I/E
Lobe lift: 0.330" lobe, 0.510" valve
Overlap: 94*
Mark: C7FE-A (Stamped on end of oil shaft)
Knowledge is power.
What makes you think that I want my Mustang to rattle less than my Cummins Diesel.
Kevin
True, that. I listed what would be on the cam card in the 60s when the overall duration was the number many armchair quarterback "racers" would compare. Kind of like advertised HP... Even today many cams are known by the 0.006" not 0.050" lift duration numbers.
I hadn't thought about ramp rates--that's maybe the biggest performance improvement between old and new grinds. Thanks for bringing that into the discussion.
Daniel
I hadn't thought about ramp rates--that's maybe the biggest performance improvement between old and new grinds. Thanks for bringing that into the discussion.
Daniel
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