Dyno proven 675-700 HP 540CI recipes?
08-03-2015, 07:13 PM
#162
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I have several HI RPM...HI Maintenance engines....This Build...LOW Maintenance! Was hard to Hold Back!! lol But I will be happy in the end! Want a boat to take the kids and girl friend out....get crazy when they are NOT on the boat! 70mph scared them stock!
08-03-2015, 07:48 PM
#165
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That's antiquated thinking Tim.
You would have a rod ratio of 1.49:1
At 5500 rpm, you would have no issues whatsoever.
I'd rather keep the short deck and shorter pushrods
You would have a rod ratio of 1.49:1
At 5500 rpm, you would have no issues whatsoever.
I'd rather keep the short deck and shorter pushrods
08-03-2015, 07:51 PM
#166
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Black Baja, Explain?
I do know some drag guys running a 4.375 arm in 9.8 decks with good results. Why is it bad in a Marine app that will only see 6K max RPM?
Here is an Ad from an Enginer builder online. NOt sure if this is a mis print or not?
The SD/598ci Marine Crate Motor is the largest new direct replacement unit for your marine 9.800″ SD needs. Built for any type of marine application where long term reliable power and performance is needed. PBM-World Merlin III Blocks are prepared on our state of art new 2013 Centroid B4250 4-axis CNC machining center that corrects block dimensions to blue print perfect. Each and every engine is dyno tested and tuned, not some phony guess work on real power. This is the best, reliable, pump gas friendly perfect mannered running Marine Crate Engine available. Get your out-drive fixed now!
$14,999.00
9.800″ Deck | 4.600″ Bore | 4.500″ Stroke | 6.535″ Rods | 850Hp/825lbs @ 5500/4400rpm
I do know some drag guys running a 4.375 arm in 9.8 decks with good results. Why is it bad in a Marine app that will only see 6K max RPM?
Here is an Ad from an Enginer builder online. NOt sure if this is a mis print or not?
The SD/598ci Marine Crate Motor is the largest new direct replacement unit for your marine 9.800″ SD needs. Built for any type of marine application where long term reliable power and performance is needed. PBM-World Merlin III Blocks are prepared on our state of art new 2013 Centroid B4250 4-axis CNC machining center that corrects block dimensions to blue print perfect. Each and every engine is dyno tested and tuned, not some phony guess work on real power. This is the best, reliable, pump gas friendly perfect mannered running Marine Crate Engine available. Get your out-drive fixed now!
$14,999.00
9.800″ Deck | 4.600″ Bore | 4.500″ Stroke | 6.535″ Rods | 850Hp/825lbs @ 5500/4400rpm
08-03-2015, 07:57 PM
#167
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Black Baja, Explain?
I do know some drag guys running a 4.375 arm in 9.8 decks with good results. Why is it bad in a Marine app that will only see 6K max RPM?
Here is an Ad from an Enginer builder online. NOt sure if this is a mis print or not?
The SD/598ci Marine Crate Motor is the largest new direct replacement unit for your marine 9.800″ SD needs. Built for any type of marine application where long term reliable power and performance is needed. PBM-World Merlin III Blocks are prepared on our state of art new 2013 Centroid B4250 4-axis CNC machining center that corrects block dimensions to blue print perfect. Each and every engine is dyno tested and tuned, not some phony guess work on real power. This is the best, reliable, pump gas friendly perfect mannered running Marine Crate Engine available. Get your out-drive fixed now!
$14,999.00
9.800″ Deck | 4.600″ Bore | 4.500″ Stroke | 6.535″ Rods | 850Hp/825lbs @ 5500/4400rpm
I do know some drag guys running a 4.375 arm in 9.8 decks with good results. Why is it bad in a Marine app that will only see 6K max RPM?
Here is an Ad from an Enginer builder online. NOt sure if this is a mis print or not?
The SD/598ci Marine Crate Motor is the largest new direct replacement unit for your marine 9.800″ SD needs. Built for any type of marine application where long term reliable power and performance is needed. PBM-World Merlin III Blocks are prepared on our state of art new 2013 Centroid B4250 4-axis CNC machining center that corrects block dimensions to blue print perfect. Each and every engine is dyno tested and tuned, not some phony guess work on real power. This is the best, reliable, pump gas friendly perfect mannered running Marine Crate Engine available. Get your out-drive fixed now!
$14,999.00
9.800″ Deck | 4.600″ Bore | 4.500″ Stroke | 6.535″ Rods | 850Hp/825lbs @ 5500/4400rpm
08-03-2015, 08:04 PM
#168
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No Issues What so ever!!! PERFECT! I have built engines with more HP than you have dreamed! Don't believe me??? Not wanting to get into the Big Dick contest...unless you want too?? lol I have built BIG HP...gone FAST!! Want to CHILL!! Carry on!
08-03-2015, 08:09 PM
#169
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Location: Olmsted Falls,Ohio Marblehead,Oh
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engine builders tell me different, sorry.... Bob didn't advise me to do that, not sure why..... I wouldn't have the TQ issue....
I forgot how stupid and incapable I am, I am boating this year... apparently I did something right.....
I forgot how stupid and incapable I am, I am boating this year... apparently I did something right.....
Last edited by Full Force; 08-03-2015 at 08:13 PM.
08-03-2015, 08:12 PM
#170
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