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sutphen 30 11-07-2019 06:04 AM


Originally Posted by flashgordon (Post 4713837)
yea for sure A 3/4 RACE CAM

love hearing that from people ,,showed what they knew in 3 words....hahahah

what do you mean by this?

flashgordon 11-07-2019 06:08 AM


Originally Posted by sutphen 30 (Post 4714002)
what do you mean by this?


people that tell you they are running a 3/4 race cam ................ are idiots.

flashgordon 11-07-2019 06:10 AM


Originally Posted by hogie roll (Post 4713957)
Not bad, could use more lift though.

this comment was for which post??
my cams are 720 lift at rocker.

TylerBurich 11-07-2019 07:47 AM


Originally Posted by jdf4068 (Post 4713754)
thinking abt a cam change what is in there now is comp cam extreme marine 284 hr... spec 230/236. 547/547 lift ..... motor spec. Are stroked 454 to a 496...9.5 to 1 comp ..heads are alum 330 runners. With 2.250/1.99 valves What would y’all recommend

Fellow boater has that same cam in a Coretti 525hp 496 in his formula. Bullet specd the same duration for another Formula on our home lake with 496's. Seems like a popular choice for mild builds, needs more lift in my opinion though.

hogie roll 11-07-2019 10:17 AM


Originally Posted by flashgordon (Post 4714005)
this comment was for which post??
my cams are 720 lift at rocker.

The OP

TomZ 11-08-2019 06:53 AM

And here’s an article giving the history of the 3/4 race cam... for anyone interested:

https://www.enginelabs.com/engine-te...race-camshaft/

phragle 11-08-2019 11:28 AM

If your worried about reversion with a 3/4 race cam, use an RV cam...

thirdchildhood 11-08-2019 12:37 PM

My 1982 Mustang GT was advertised by Ford as having a marine grind cam and made a whopping 157 hp. Now it makes about 450, lol.


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