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Offshoreonly.com (https://www.offshoreonly.com/forums/)
-   General Q & A (https://www.offshoreonly.com/forums/general-q-20/)
-   -   Cam and valvetrain longevity....??? low duration high lift... (https://www.offshoreonly.com/forums/general-q/341258-cam-valvetrain-longevity-low-duration-high-lift.html)

getrdunn 09-25-2016 11:00 AM
Originally Posted by fbc25el (Post 4484859)
Did not dyno the engine. Wilson manifold matched & ported the manifold to the heads. 28 pitch prop 1.5 gears pulls strong a little past 6000 RPM. 25' cat.
Was that a shelf cam or a custom grind? Also what duration?

sutphen 30 09-25-2016 11:10 AM
Originally Posted by getrdunn (Post 4484916)
Was that a shelf cam or a custom grind? Also what duration?
small light cat really doesn't apply to us resin bucket vee's when it comes to spinning a prop.

fbc25el 09-25-2016 11:43 AM
Originally Posted by getrdunn (Post 4484916)
Was that a shelf cam or a custom grind? Also what duration?
.663-.655 dur. at .050in 246* ex 250* 112 lc. custom

getrdunn 09-25-2016 12:08 PM
Originally Posted by fbc25el (Post 4484925)
.663-.655 dur. at .050in 246* ex 250* 112 lc. custom
Perfect

Full Force 09-25-2016 01:00 PM
Yes can't compare a light boat to mine.. Dyno results yes... Boat no

MILD THUNDER 09-25-2016 01:38 PM
Question.

Seems like the Victor JR gets specd on all these builds. Also seems like, on almost every one of them, adding spacers show gains.

With that being said, why is the "super victor" intake ruled out as an option?

endeavor1 09-25-2016 02:22 PM
I know we made several pulls and a 1 inch Spacer was what it liked on my Vic Jr. We tried none, stacking, etc and found nothing but losses. I can see what you're saying though as the Victor has a larger 4500 flange. Could run their spacer/adapter to go to a 4150 anyway


I have the pulls labeled when we tried diff spacers. When I get home I'll see about posting up the differences

Black Baja 09-25-2016 02:36 PM
Originally Posted by MILD THUNDER (Post 4484948)
Question.

Seems like the Victor JR gets specd on all these builds. Also seems like, on almost every one of them, adding spacers show gains.

With that being said, why is the "super victor" intake ruled out as an option?
I would use a Dominator intake and put a 4150 carb on it.

Black Baja 09-25-2016 02:37 PM
Originally Posted by endeavor1 (Post 4484955)
I know we made several pulls and a 1 inch Spacer was what it liked on my Vic Jr. We tried none, stacking, etc and found nothing but losses. I can see what you're saying though as the Victor has a larger 4500 flange. Could run their spacer/adapter to go to a 4150 anyway


I have the pulls labeled when we tried diff spacers. When I get home I'll see about posting up the differences
Dominator intake has a lot more plenum volume...

getrdunn 09-25-2016 03:23 PM
Originally Posted by Black Baja (Post 4484958)
Dominator intake has a lot more plenum volume...
Have u tried that sv565 that you recommended to me for 565 builds?


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