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Tarkus

  • Karma: +0/-0
CHIME IN re: Engine Selection
« on: March 16, 2022, 08:07:25 pm »
Screw it.  I've decided to purchase a crate engine for my 19' '76 Elim bubble (full strgr).  I will value your input.  Here are the parameters.  I already have an installed modified Berk Dom split bowl/droop jet / ride plate rigging set up with a stainless A  (i.e. PROPER TORQUE REQUIRED). The engine mounts, new Bassett twisties, various chrome covers I have already bought dictate that it MUST BE A CHEVY BB.   No blower. Pump gas 91-93.  Farmers Cancelled my umbrella yesterday because I bought a biat policy from Formost disclosing I will run 650hp and 85mph.  Farmers apparently has issues about over 76 mph boats.  Nikki is working on fixing this.  But Im kinda wondering if I should cut down on the power and speed cause i feel the need for the umbrella.   And who is the best at selling bbc crates where I can have it made to order for the 650 hp performance given my a impellar, who honors their guarantee?

I sure will be thankful for qualified recomendations.  Thank you.

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  • Boat #1: '76 Eliminator Bubbledeck
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mash on it

  • Karma: +29/-0
Re: CHIME IN re: Engine Selection
« Reply #1 on: March 17, 2022, 08:32:07 am »
If I'm spending yore money, try this-

https://www.high-performance-engines.com/chevy-632-complete-engine-800HP-p/hp108c.htm

Just might be enough HP.

Dan'l
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CJ/RR 212...under construction  "Pistol Annie"

eliminator18

  • Karma: +2/-0
Re: CHIME IN re: Engine Selection
« Reply #2 on: March 17, 2022, 12:36:21 pm »
I run a 540ci na that made 670hp with stainless ?B? impeller turns 6100rpm at 83mph


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Tarkus

  • Karma: +0/-0
Re: CHIME IN re: Engine Selection
« Reply #3 on: March 17, 2022, 04:44:31 pm »
I run a 540ci na that made 670hp with stainless ?B? impeller turns 6100rpm at 83mph


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Thanks. Helpful. Whats your redline? And do you know your torque? (i.e. are you spinning out too soon where you can handle an A for top end speed?  Or do you like the hole shot and hense the ?B? I assume with your displacement and hp its 6100 is not its peak (?))

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  • Boat #1: '76 Eliminator Bubbledeck
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Tarkus

  • Karma: +0/-0
Re: CHIME IN re: Engine Selection
« Reply #4 on: March 17, 2022, 04:48:19 pm »
If I'm spending yore money, try this-

https://www.high-performance-engines.com/chevy-632-complete-engine-800HP-p/hp108c.htm

Just might be enough HP.

Dan'l
Thanks. Yes I believe that just might squeek by with enough power.  And yes thank you for spending my money.  And yes that will not be helpful in preserving my umbrella policy!
LOL Smart ass!  Lol : )

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eliminator18

  • Karma: +2/-0
Re: CHIME IN re: Engine Selection
« Reply #5 on: March 17, 2022, 06:18:09 pm »
675 tq and 6100rpm is all she turns on the water. It has a small solid roller cam with .590 lift for now.


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Tarkus

  • Karma: +0/-0
Re: CHIME IN re: Engine Selection
« Reply #6 on: March 17, 2022, 07:02:32 pm »
675 tq and 6100rpm is all she turns on the water. It has a small solid roller cam with .590 lift for now.


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Thank you. Again, helpful.  Ine more q before I dicern I need more torque to turn my A up to 6500, can you tell me if you've modified your pump from stock?

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  • Boat #1: '76 Eliminator Bubbledeck
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eliminator18

  • Karma: +2/-0
Re: CHIME IN re: Engine Selection
« Reply #7 on: March 17, 2022, 07:56:04 pm »
Upgraded shaft, inducer, loader, droop, and place diverter. I still need to add a shoe and ride plate.


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Tarkus

  • Karma: +0/-0
Re: CHIME IN re: Engine Selection
« Reply #8 on: March 18, 2022, 02:43:26 am »
Upgraded shaft, inducer, loader, droop, and place diverter. I still need to add a shoe and ride plate.


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Ok. Similar. Well you've helped me out a lot. Thank you. You have a nice boat.  There seems to be some question in your mind about your impellar being a B.  If you find out for sure I would appreciate knowing.  'Cause with all your power it seems I will need even more to turn my A up to redline while having torque for the hole.  ....my logic anyway.  That first guy replying and recommending a 632 may not be such a smart ass after all!  Lol.

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  • Boat #1: '76 Eliminator Bubbledeck
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eliminator18

  • Karma: +2/-0
Re: CHIME IN re: Engine Selection
« Reply #9 on: March 18, 2022, 09:11:19 am »
From what I?m told, impeller size is based on hp/tq curve plus the rpm at which the engine turns. I chose a ?B? cut as I plan on adding more power and rpm soon.


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