Similarities/differences between 525EFI and 700SCi?

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03-24-2010 | 08:54 AM

#11

laszlo01

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Joined: Jul 2006

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From: Rockwood MI. Kalkaska MI. Sopron Hungary.

Quote:

Originally Posted by Stilldouble

After the whipple update, is there a need for running the engine on the dyno? ...just to make sure it is not running lean, or otherwise missbehaves? ...on the other hand, can the injection (and other related parameters) be fine-tuned under any circumstances, or is it "factory presets" from Whipple only, with no possibility for fine tuning?

The whipple kit is bolt on with a initial flash set-up from whipple, you can fine tune it on a PC in the boat with the appropriate software, we are doing a dyno tune since we are doing more of a Kustom application. Talk to Dustin at whipple for the proper application and set-up information, very easy to deal with.

03-25-2010 | 03:58 PM

#12

AIR TIME

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Joined: Dec 2000

Posts: 6,283

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From: EASTON MA.

Quote:

Originally Posted by CB-BLR

In my opinion.. being that I have a 600sci.. I think that the 525 with a whipple is a better package than the 700sci. The low 7.5 compression (on the 700sci) makes it more difficult to make power. 8.75 compression is just about perfect for a supercharged motor.

Chris

the compression on my new is 8.4 to 1 it will be a 572 making about 1050 to 1100hp run 93 pump gas is what Dean said. so over sea's with the higher gas you should be fine.

03-27-2010 | 03:19 PM

#13

richanton

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Joined: Oct 2003

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From: None of your business

Quote:

Originally Posted by laszlo01

Cheaper to whipple the 525 EFI and lots more HP in the end.

I would have to guess lots of the $$$ difference in the 700 package is in the drives. If you whipple charge the 525s you still have bravos vs. NXTs with the 700s.

Guess it depends how much money you can save going the 535 route.

03-28-2010 | 07:20 AM

#14

Stilldouble

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Joined: Nov 2006

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From: Malmö, Sweden

Quote:

Originally Posted by richanton

In this case I am consideringen importing a boat with 525EFI:s and XR drives.

This particular boat responds very well to added power, and the plan was anyway to sell the XR:s and the uppgrade to used SSM #6. The condition on the XR´s is very good, so I will recover some money there.

What I have also heard, and I cannot really verify that this is true (?) The 525EFI is originally using the PCM555 fuel injection, just as the 700 SCi, but with the bolt-on kit from Whipple they are instead using the older MEFI4A injection system (which is a non-sequential system). Some guys sees this as a relatively large disadvantage.

Any comments on this?