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Supercharged 540 Camshaft

Old 12-21-2016, 10:01 PM
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Originally Posted by ICDEDPPL
get your free camshaft here:

http://www.offshoreonly.com/forums/s...ci-motors.html

you just have to buy the whole motor...

Actually there isn`t any movement on the whole thing complete I may be parting out ...sadly..
just fix the drive,buy a new tire and go boating in the spring.who knows what problems a different boat might have.
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Old 12-21-2016, 10:08 PM
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Originally Posted by mike tkach
just fix the drive,buy a new tire and go boating in the spring.who knows what problems a different boat might have.
Haha this^^^^^^^ I am learning the hard way!
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Old 12-21-2016, 10:09 PM
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Originally Posted by ICDEDPPL
Those intake temps below the blower? you guys dyno in the arctic or what?
That is the coolant temp not the intake air temp. The blowers are 6% under driven and 8.2 static compression
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Old 12-21-2016, 10:11 PM
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Originally Posted by 272lsformula
That is the coolant temp not the intake air temp. The blowers are 6% under driven and 8.2 static compression
My bad. Can't read. Lol
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Old 12-21-2016, 11:11 PM
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A 540 with 420 megablower at 5,500 with 6.5 pds of boost. What kind of power are you aiming for? You can get those merlins to flow but certainly going to need some work. Are you running an intercooler?

I'm no blower expert by any means however had half dozen or so on BBC's over the years. Some may disagree however 420 would seem a little small on 540 CI however they are an efficient blower. Cam wise 741 would work fine. I'd stay on the smaller side with your set up personally.

Last edited by getrdunn; 12-21-2016 at 11:33 PM.
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Old 12-22-2016, 06:26 AM
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Here's a 548ci, with AFR 325 heads, with around 8.5lbs of boost. 420 Mega Blower, with chiller. Hyd roller, I do not recall the cam specs.
Attached Thumbnails Supercharged 540 Camshaft-screenshot-159-.png  
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Old 12-22-2016, 06:51 PM
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Originally Posted by getrdunn
A 540 with 420 megablower at 5,500 with 6.5 pds of boost. What kind of power are you aiming for? You can get those merlins to flow but certainly going to need some work. Are you running an intercooler?

I'm no blower expert by any means however had half dozen or so on BBC's over the years. Some may disagree however 420 would seem a little small on 540 CI however they are an efficient blower. Cam wise 741 would work fine. I'd stay on the smaller side with your set up personally.
I don't have an intercooler. I don't know if I really need one with the boost I will be running. I want to make as much hp as possible at 5500 RPM max.
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Old 12-22-2016, 06:53 PM
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Originally Posted by MILD THUNDER
Here's a 548ci, with AFR 325 heads, with around 8.5lbs of boost. 420 Mega Blower, with chiller. Hyd roller, I do not recall the cam specs.
That is amazing power. I wonder what boost it is running.

Last edited by powermizer; 12-22-2016 at 06:57 PM.
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Old 12-22-2016, 07:18 PM
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Originally Posted by powermizer
That is amazing power. I wonder what boost it is running.
8.5lbs
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Old 12-22-2016, 07:32 PM
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That 420 blower must have low parasitic loss.
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