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Old 03-04-2006, 09:57 PM   #1
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Country: Norway
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Cash tanks for twin Merc 2.5's

Hi!

I have bought two Merc 2.5 EFI SS engines 2002 models (280 hp with 260 electronics) for my Phantom 25.

I have been reccommended to install two cashtanks (smaller fuel tanks of 5 liter each) between the fuel tank and the engines, and double sets of fuelpumps. Have anyone of you experience with this set up? And do you know if any dealer selling the cashtanks, or should I get someone to make them locally?

Cheeeers and thanks, Toffen G
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Old 03-04-2006, 10:20 PM   #2
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Always had mine made
Argon Weld in Kent
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Old 03-04-2006, 10:36 PM   #3
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Have you actually fitted your engines yet dude?
By the way i have a sump in my fuel tank for that very reason
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Old 03-04-2006, 10:37 PM   #4
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I think REX Marine do a range of 'Aluminium' header & other types of small reserviour tanks.
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Old 03-04-2006, 10:57 PM   #5
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Cash tanks..

Hi!

Engines ready to shipment.

Cheeeers! Toffen G
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Old 03-04-2006, 11:03 PM   #6
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Jay Smith sells em!!!

http://www.jaysmithracing.com/machine_shop_services.htm

scroll down to the bottom.
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Old 03-04-2006, 11:07 PM   #7
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Hutchy on this forum made mine.
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Old 03-04-2006, 11:09 PM   #8
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You get my cheque dude?
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Old 03-04-2006, 11:11 PM   #9
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You get my cheque dude?
Yup this morning, not picked bits up though, been a bit busy, try to get over later this week.
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Old 04-04-2006, 05:44 PM   #10
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Toffen try this site http://www.velocity-of-sound.com/vel...urge_tanks.htm I have just purchased 2 slosh tanks of them & I am running 2 x holley red supplying the slosh tanks.

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Old 04-04-2006, 09:51 PM   #11
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Cash tanks..

HI!

Thanks for your help!

I have run a Promax 300 with a Torquemaster lower unit since 1999 without any gearfailure. I have shifted gear at normal idle (600 rpms) without any problem.

I have seen that someone starts the Merc 2.5 EFI SS engines in gear. Does this make sense anymore with a 2002 Sportmaster lowers? I will use props with Flo-Torq II hubs.

Cheeeers, Toffen G
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Old 04-04-2006, 10:43 PM   #12
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Everyone I know who owns a 2.5 efi starts their engines in gear.
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Old 04-04-2006, 11:16 PM   #13
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Yup everyone I know with 2.5's, XR2's etc, turn them off to put them in gear. I turn my 2.4 off, if I dont the box makes a horrible crunch. Not sure if this hurts the box but it does make you cringe.

I think its something to do with there not being much give in the hub and I guess it could also be due to a high idle speed.

If you've got a foot throttle then why not?
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Old 04-04-2006, 11:20 PM   #14
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Quote:
Originally posted by Johnny Boat Dude
I think its something to do with there not being much give in the hub and I guess it could also be due to a high idle speed.
And the fact that a 'dog clutch' is the most horrid, crude thing ever invented.

They survive quite happily with nice light Ali props, but the added inertia in the weight of a stainless prop makes shifting while running a real no-no.
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Old 05-04-2006, 07:34 AM   #15
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I agree with JF & JBD. Start in gear. Whilst quite Ok for low pitch ali props High pitch stainless do give it a kick.
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