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357 SR1 Top Speed

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Old 06-21-2006 | 10:30 PM
  #11  
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Default Re: 357 SR1 Top Speed

Formula sent me the spec sheet and it says 61 mp/h at 5000 rpm with twin 454-420.
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Old 06-22-2006 | 08:18 AM
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Default Re: 357 SR1 Top Speed

That's right where I'm at, so I guess I should not complain. I would consider upgrades but @ 20hp per 1 mph, I don't see it happening with out supercharging, and as I said before in this thread...no room with out ruining the hatch.
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Old 06-22-2006 | 08:48 AM
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Default Re: 357 SR1 Top Speed

Originally Posted by Prater
It is TRS, the hatch is raised but still makes a small amount of contact on the arrestors. The trim tab would not respond. I was a bonehead and forgot to check the fluid level in the pumps. They are all full and the tab now works correctly. I had problems triming the outdrives. The tab markers all need to be adjusted. Plus the starboard drive moves slower than port drive really making it fun to adjust.

I am really considering changing the hatch and adding a couple of scoops. The Gaffrig flame arrestors are small and thin and I want to get more air in the motors. I am considering some large K&N Marine Filters on top of a stack in the scoops.
Steven ... what do the Gaffrigs look like ? I might be interested .... holley carb ?
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Old 06-22-2006 | 07:43 PM
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Default Re: 357 SR1 Top Speed

Originally Posted by offthefront
Steven ... what do the Gaffrigs look like ? I might be interested .... holley carb ?
I am on the road at the moment, but here is a pic. They are on 850 holleys by Nickerson Carbs. They sit very low on the carb and have a notch for the float adjuster screws.


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