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supercharging a 500efi

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Old 11-04-2005, 04:04 PM
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Default Re: supercharging a 500efi

my engine guy is looking into whipple and procharger

nort how many mph did you pick up?
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Old 11-04-2005, 04:26 PM
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Default Re: supercharging a 500efi

I picked up 16 mph on my single and 20 mph on the twins setup.
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Old 11-04-2005, 04:27 PM
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Default Re: supercharging a 500efi

Quote:
Originally Posted by dreamer
nort how many mph did you pick up?
Still not sure.....
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Old 11-04-2005, 04:27 PM
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Default Re: supercharging a 500efi

Quote:
Originally Posted by Smitty
I picked up 16 mph on my single and 20 mph on the twins setup.
fuk! is that on the 36 outlaw
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Old 11-04-2005, 05:03 PM
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Default Re: supercharging a 500efi

i figure id run in the mid to high 90s
which would be a 15 mph
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Old 11-04-2005, 05:41 PM
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Default Re: supercharging a 500efi

Dreamer, if the playboy your talking about is the white one with the gray interior that has the pro chargers, i was told it runs 103mph
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Old 11-04-2005, 06:18 PM
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Default Re: supercharging a 500efi

Quote:
Originally Posted by dreamer
i figure id run in the mid to high 90s
which would be a 15 mph
Dreamer doesn't yours run in the low 80's now?
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Old 11-04-2005, 06:47 PM
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Default Re: supercharging a 500efi

Quote:
Originally Posted by PhantomChaos
performance: better
price: a lot
reliability: upgrade is good....drives can get hurt
life of the motor: we'll see
resale: who cares
effect on insurance: went up some

I'm glad I upgraded with that. It made it a new boat for me and I liked doing the project. Remember, it's not just the motor, but you have to have additional gauges too. Fuel pumps, sea strainers....blah blah blah.

In business, I design various things, so I designed the new dash plates and asked our sheet metal place to make new ones and repaint/silkscreen them all. Looks nice (to me). I still don't know the performance increase since I didn't replace the speedo (80MPH) and it pegs that.

It had XZ drives, which are good drives, just not strong enough. Now I have one XZ and one XR. The XR uses more power to turn and therefore has less RPM.....just waiting for the XZ to blow. I moved from Bravo1 28 labbed to 32 stock....but now I'm trying 30 stock. Seems about right.

Nort nice looking install.

I would recommend the Whipples . He will have them ready soon. I would say it would make around 750 on a stock500efi.. They have a much better and cleaner package. The pro charger works also but the innercooler you have to mount some were they recommend the stringers The Whipple has a better innercooler at 9+ pds boost the air inlet temp was only 10 degrees higher in the intake over abinant.this was on a steady state pull!!!

Now the Whipple comes on hard early in the RPM. were the Procharge comes in later , The Procharger would be easer on drive ,if ya stab it say from idle or like mine has about 5-6 psi at 3000rpm.800plus TQ I usually wait to after peek TQ at about 4500 before I stab it.

Now the Pro charger is defiantly cheaper.

Ill post some picks when I get to the house

Rob
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Old 11-04-2005, 06:48 PM
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Default Re: supercharging a 500efi

Here some info
http://www.offshoreonly.com/forums/s...=500+efi+build
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Old 11-04-2005, 07:22 PM
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Default Re: supercharging a 500efi

I have heard that the vortechs power curve is better suited to preserving drives.
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