Cam and valvetrain longevity....??? low duration high lift...

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09-25-2016, 11:00 AM

#511

getrdunn

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Quote:

Originally Posted by fbc25el

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?

09-25-2016, 11:10 AM

#512

sutphen 30

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Quote:

Originally Posted by getrdunn

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.

09-25-2016, 11:43 AM

#513

fbc25el

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Quote:

Originally Posted by getrdunn

Was that a shelf cam or a custom grind? Also what duration?

.663-.655 dur. at .050in 246* ex 250* 112 lc. custom

09-25-2016, 12:08 PM

#514

getrdunn

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Quote:

Originally Posted by fbc25el

.663-.655 dur. at .050in 246* ex 250* 112 lc. custom

Perfect

09-25-2016, 01:00 PM

#515

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Yes can't compare a light boat to mine.. Dyno results yes... Boat no

09-25-2016, 01:38 PM

#516

MILD THUNDER

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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?

09-25-2016, 02:22 PM

#517

endeavor1

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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