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2 X 454 Magnums in a 260 Stinger ?

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Old 10-21-2009, 10:32 AM
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Default 2 X 454 Magnums in a 260 Stinger ?

Hi from Belgium,Just bought my 87 Stinger 260 in the US with 2 so called new...260 mercruiser and reman. Alpha 1 drives.
On arriving here it turns out that the Port engine is seized due to bad exhaust manifolds a,d Stb eingine is indeed looking reman,but is only a 305 ci..Drives are ok(I think)
So as I have not payed to much for the boat and the rest is ok,I am planning on repowering the boat.I Have the opportunity to buy 2 FWC 454 Magnum engines with Bravo 1 Drives Has anybody ever put 2 BB'sin a 260 Stringer??
What to expect?
Any comments or suggestions would be very helpfull.
Better to buy 2 SBL with the Alphas or go ahaid withe the 2 BBL and Bravos
Thanks
Roland
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Old 10-21-2009, 11:09 AM
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how about hopping up a couple of small blocks and using the bravo drives???
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Old 10-21-2009, 11:18 AM
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Hi Stinger 312,problem is guy wont sell drives alone,Magnums are looking realy nice ,fwc,nice exh. manifolds,all complete ready for drop in.
Roland
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Old 10-21-2009, 11:39 AM
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Considering the 260 Stimger is big and heavy for its size I think it would be a good setup. Th extra torque of the big blocks would make the boat a lot more usable.
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Old 10-21-2009, 11:50 AM
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only hope the extra weight wont put the rear of the boat to low
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Old 10-21-2009, 04:28 PM
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Anybody ever done this conversion?If I am the first......... in all those years sure would like to know,if so would keep you all posted
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Old 10-21-2009, 09:47 PM
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What about engine centerline? would they be too close with BBC? stringers were desined for SBC...
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Old 10-22-2009, 06:11 AM
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Roland,

Go with 1 bigblock. One late 502MPI/415hp or one 496HO/425hp will make your boating life much more easier and a lot more fun. And dont forget to put an newer Bravo 1 drive in the middle.


Good luck.

Mange
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Old 10-22-2009, 06:17 AM
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search on here someone already asked for this... the only issue was I think the width of the 2 big block...

I had one with twin 350 and would not think a single 502 or 496 would be enough...
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Old 10-23-2009, 10:56 AM
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Thanks guys for replys,so it seems to me that nobody ever did this change.i couldn find a topic about this.
I think I wil buy 2 Reman 320 hp long blocks ,GLS aluminium exhaust risers,stay with the Alphas put everything together,and boat on.
Roland
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