Offshoreonly.com - intake manifold

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moparjet

06-30-2011 08:00 PM

intake manifold

what is a good intake to run on a carb. gen 6 502 with a mild camshaft and holley 800 carb?

ezstriper

07-01-2011 06:00 AM

RPM air gap works very well.....or for a little higher RPM the dart

endeavour32

07-01-2011 08:46 AM

I've been really happy with the weiand stealth. Its good from idle to 6800 which is perfect for a hi-perfromance marine engine. IMO no need to use a single plane, you give up too much low end, lower mid range and throttle response for a slight edge on the very, very top.

TexomaPowerboater

07-01-2011 08:53 AM

Merlin dual plane.

endeavour32

07-01-2011 09:16 AM

Quote:

Originally Posted by TexomaPowerboater (Post 3442991)

Merlin dual plane.

That intake was on my radar but I don't think they make it any longer.

jmaxness

07-03-2011 12:55 PM

Just got done dynoing a Edel RPM, Stealth and Dart on a 496 build. Surprisingly to me, the RPM did the best having 30 # TQ over both the stealth and Dart up until 5000. The stealh and the Dart were nearly identical until 5300, at which time the single plane started makin more power. Usable power to the boat, RPM was clearly the best. I loved my Dart for years......but I have the black merc paint out now painting the RPM.

tinman565

07-03-2011 06:35 PM

AirGap RPM's are nice for a motor like yours. They work great !! :drink:

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