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small block in a 27 ?!?!

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Old 03-27-2011 | 12:57 PM
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In a twin engine application yes. We rigged a 32 CObra raceboat with staggard 500hp smallblocks back in the day...ran awesome and the balance was amazing. Same thing with a 28 pantera...i dont like them with twin BBCs...too ass heavy....one with twin SBCs would rock
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Old 03-27-2011 | 02:43 PM
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Not so sure on the small block idea. I'd imagine its lighter than a big block. In these boats, specifically, you don't want to lighten up the back end. Light stepped small boats like these are very sensitive. If the krypto is padded, which some are, your only adding to the problem providing easier and significantly more stern lift. If there was room, which I dont believe there is, a staggered small block would be pretty cool. You might just have to eliminate the tabs!
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Old 03-27-2011 | 03:37 PM
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Originally Posted by fast fun 2
In a twin engine application yes. We rigged a 32 CObra raceboat with staggard 500hp smallblocks back in the day...ran awesome and the balance was amazing. Same thing with a 28 pantera...i dont like them with twin BBCs...too ass heavy....one with twin SBCs would rock
A Yellow one???

http://www.youtube.com/watch?v=Yovy8v6JUhU
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Old 03-27-2011 | 04:19 PM
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Originally Posted by MikeyFIN
wow! Thats EXACTLY like it...but..the one we did is in MAryland stripped right now...waiting for me to scrounge up some cash
But wow that is almost the exact same boat..colors..everything!
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Old 03-27-2011 | 04:20 PM
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Originally Posted by Mastercraft240
Not so sure on the small block idea. I'd imagine its lighter than a big block. In these boats, specifically, you don't want to lighten up the back end. Light stepped small boats like these are very sensitive. If the krypto is padded, which some are, your only adding to the problem providing easier and significantly more stern lift. If there was room, which I dont believe there is, a staggered small block would be pretty cool. You might just have to eliminate the tabs!
My dream is to build a 3 man bolster 27 witrh staggard smallblocks
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Old 03-28-2011 | 09:59 AM
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An LS7 would be great. JMKID's Skater has twin 700+hp LS7's. I think that one of them would run great in a 27'. They are about 400lbs lighter and still make great torque.

I cant imagine how much he spent on those things though.
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Old 03-28-2011 | 06:26 PM
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Originally Posted by Philm
An LS7 would be great. JMKID's Skater has twin 700+hp LS7's. I think that one of them would run great in a 27'. They are about 400lbs lighter and still make great torque.

I cant imagine how much he spent on those things though.
Two of those...in a 27...half stagger...imco scxs...3 man bolster....oh baby
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Old 03-28-2011 | 06:33 PM
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Originally Posted by berns29scarab
What are your thoughts on this ? Mid to high 600's horsepower wise. Its basically a marinized NASCAR engine !
You are talking a single small block right?

Or are you talking twins?


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Old 03-30-2011 | 09:42 AM
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Originally Posted by hotjava66
Has anyone built a big cube small block for marine use? Just kind of curious, back when I was into cars there were some guys building 427-454 cube small blocks with pretty serious tq and hp #'s. I know they were pretty pricey to build, but in a small boat would the weight savings be worth the cost?
My mechanic has triple blown smallblocks in his 40 Activator. 434 CID and about 700 HP.
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Old 03-30-2011 | 11:38 AM
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Originally Posted by fast fun 2
wow! Thats EXACTLY like it...but..the one we did is in MAryland stripped right now...waiting for me to scrounge up some cash
But wow that is almost the exact same boat..colors..everything!
I believe itīs the same boat.. aka The Chief.. was it Tommy Hoffstetters first boat or something? I believe looking at his site a while ago the same boat (?) was there in his pics.

Would love to get my hands on a boat like that.... even a bare racehull.

Last edited by MikeyFIN; 03-30-2011 at 11:46 AM.
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