My Motors PART 2
 

I'm very close to scrapping the whole 454 mk iv idea......
Very Close!!!!!!!!!
For me to put the blocks together right(with piece of mind) ,cost per engine with machine work will be close to $ 4000 per motor..

My New plan -------
Brand new DART Big M blocks (Standard Or Tall decks) ??
Eagle 4340 crank Balanced (want to pick a nice stroker with the best possible geomitry)
Eagle H beam rods
JE forged pistons (Bore) ???
Rings ,Mains ,rod and cam bearing ( top quality)
Goal to get to big C I min 540's ---- to 565,572 whatever combo has the best working geomitry
I was surprized to find out the price for this short block + or - $200 bucks depending on exact parts...... $ 3800.00 per motor

heads i was looking at are prolines, cast 2.25 int. 1.89 exh.
cam and carb i haven't a clue.... i have holly 850's with vac sec

My GOAL is to build the motors fairly mild for reliability . natural for now, with blowers in the future 2 - 3 years down the road

My machine shop guy is hooking me up with some good prices...

I would really appreciate your oppinions on this ASAP so i can choose my parts, his distrib has everything in stock except cranks which they can have in 2 days.....

thx guys in advance

ttt

You're where i was about 1 month ago! mY 454'S are sidelined and I'm working on 588's. One thing that you should keep in mind is that if you want to blow that engine later you will be making big power, once you start looking into the eagle crank people will tell you they're not where its at. I personally went with callies. I looked into a place in Ohio --Ohio crank-- that use foreign forgings but do all the machining in house to make sure of quality-- which i found out was the problem with the eagle and scat stuff. They will even assemble and balance shortblocks with merlin blocks, close to that price $4100. with all the rest of the parts you had mentioned.-- I've heard good things about them.
I went the more expensive route (150% more) since i'm thinking that later i might end up with whipples and wanted a good base to start with;)

Eagle cranks aren't bad , at least in NA configuration. I've heard of them breaking in SC engines...usually the snout breaks off. But check the finished product , their QC sucks. My buddy has a shop and uses them quite frequently and never had a crank related failure.
But he checks and balances every crank. Mostly because they NEED it. Bearing surfaces vary in size and some even have taper.
Same goes for the rods. The ones I got , the pins wouldn't even fit thru the hole. I have 2 540's using these parts and they were both done.

hEY MO POWER the only way those cranks are bad is if you use a CRANE BOX then the spark is so hot ( hotter than the sun )) it burns through the eagle crank and scat ,,I have also heard they weld the ends of the rods so the pins won't go through ,

Crower and Luniti have the best afforadable voltage proof models :D :D :D :D :D :D









JUST MESSIN WITH YOU :D :D

:D :D I know

I thought only MSD had a hot enough spark for that:p

hey really the luniti (holley) is a good part and mo -power ((OH THIS HURTS :D )) is dead on target the scat may last N/A and the Eagle may N/A but you really need to have a good machine shop blueprint it . Eagle rods are ok til about 850 hp after that you will be streching it No pun intended !!
The 540 is a good combo but latly we have been running the 565 4.25 and 4.600 and its a power making bullet and very dependable ;)


MSD welds the pistons in the bore ,mo-power and the spark would push the boat

Hey Bobby, where does the Callies cranks fall in the lineup-- I was under the impression that they were right with the lunati and crower. I went for a tour through their facility 2 weeks aqgo and was very impressed with everything. They seem like a quality machining house.

I keep readin threads were guys are building NA motors and want to turn em into blower motors later. What usually winds up is you have a half ass NA motor and then a half ass blower motor. Decide what you want and then build it. These are 2 diff animals and the combos are totally different.
You should be able to build a nice 468 from your 454's for around 1500 per shortblock if you have a good block, crank rods and the tin. You need pistons rings bearings cam lifters and machine work. Heads are another matter.
Dan

I used a couple of their cranks about several years ago and they were bad ,machined if you could call it that .but they came out with a new crank( their expensive one )) I think its equal to the luniti but I've never used one ,but have friends that have and they liked them
,,ones in a N/A 540 .
I just know luniti's and like them but watch out for their cheap one,get their pro series only,do not use the racer version

Ok ,what are the specs on a 900 sc ???? what would the HP be without the blower ???

On the eagle 4340 crank and rods, i've heard they are good past 1400 HP.... Now, that is cked and balanced of course.....

I/m trying to make a well rounded/ educated desision, I'm not an expert on the motor building subject, it seems everyone has alittle different idea on building the perfect motor...... and maybe the perfect motor is different for each person,.....

I quick senario on what i think is perfect for me,(keeping in mind that nothing is perfect.....)
i have a 350 hp dozer it weights 90,000lbs the diesel engine that is in the machine is very powerful, the motor i'm talking about is a cummins kt19, now in other applications this engine makes 1500 HP, but in my dozer only 350 ,at 350 HP the motor will last almost forever provided it is well maintained....

i'm looking on those lines for the big cube engine i want to build ...
somthing that willl last , cause sorry to say i have more fun boating than working on the motors lol
say a 572 built for say 580 to 600 hp NA low comp

now down the road if i want to go alittle faster then i could add
a blower, if i have a good foundation there shouldn't be a prob, maybe i'll have to change the cams with a blower but you get the basic idea...... sorry if this was to long

I would not dream of building a 1100 hp motor much less a 1400
hp motor with eagle rods or crank !!!!!!
Man ,this is way off

you just need to say what you want to do and speed in what type boat ,how many cubic dollars you are willing to spend and we can go from there.
You have so many options its unreal ,,540,557,565,572,566,598,623,632, and on and on --
For HP you need carrilo or simular rods and sonny bryant billet crank ,,and dry sump oiling ,,get the idea ?? just advise :) :) :)

I have no desire to build a 1100 or 1400 hp motors, my drives will not handle it,(trs bwtrannies) i'm looking to build a reliable big Cubic Inch motor with low comp ratio.... NA it should make Maybe
580 - 600+ HP (Maybe topping out at say 5200 - 5500 rpm's
top speed - with that HP prob won't be over 75mph
someday if i add a blower i would like to see 85 mph
I do not have a desire to go any faster with this boat or prob any boat for trhat matter. the boat i have is a sonic rs 33,
from what i understand it is on the heavy side and its a very good rough water boat, i love to go fast in the rough..... Thats my plan..... the big picture

Look for or PM ken here on the board. he is a friend of mine and also boats on the Hudson. he has a 33 sonic with 454's and prochargers . the boat is fast as hell. some where in the 90's. all he is using is stock GM crate motors with some head work. low budget motors with great results.

Cubic $$$ whatever it takes at this point,
Don't want to waste $$ on stuff i' don't need or will ever need.
(ie billet cranks ,super rods etc..)
thought i had a good package put together ,i will have my machine shop guy cking the tolerance's and assembling....

looks like the eagle crank and rods might not be right choice...
callies dragon slayer crank and rods ??? Better???

I was surprized to see that a 500 bulldog, is 540 ci and makes only 470 hp... but i'm sure its very reliable.. this is prob what i'm looking to do on a larger scale, i pretty sure i need close to 600
HP X 2 to hit 75 in this particular hull (26 * deep vee)

the drives are built to hold up to 750HP
trannies 850HP

SO blowing this engin in the future i prob won't want exceed much past 750HP or i'll be looking into more prob

sounds like 565 is the best combo for what i'm looking to do ???

I just want to thank everyone on here for all your help, the education i'm recieving from this board is invaluable... and i want everyone to know its well appreciated....

Thx again Gregg

ttt

It sure sounded like you were going to try to use these crank and rods for a big big power ,,guess I mis read !

A 565 is the best bang in my experance for the buck . merlin or dart b;ock for added strenght and insurance (((I know guys people even me get along with less but he wants BULLET PROOF,))) Luniti crank ,eagle rods ,j&e pistons, air flow reaserch heads good valves , nice roller cam ,whipple or procharger and a BULLET PROOF PROVEN COMBO**** pump gas and low boost
750 to 1000 hp depending on boost level,,,,N/A no blower 600 to
700 easy h.p. tough and proven :) :)

big yellow cat
 

what are they??

Let me Know alittle more Please......If i don't make a move soon summer will be over

Gregg

ttt