Stroking a Reverse Rotation 454
 

first of all this site has a wealth of info. thanks for letting me lerk around.

I have a Trojan 10 Meter 33ft. 13ft beam 16,000 pounds no fly bridge
the motor are at machine shop now. parts are starting to arrive.

2 454 MK IV,s one standard rotation one Reverse rotation "crank spins backwards" cam is standard direction reverse firing order "gear driven"

build sheet so far.

All Forged bottom. crank 4.25 stroked , I beam rods , Diamond Pistons 60 over CR around 8.75, Heads I am leaning toward the AFR's "264 runners?"
i think , Elderbrock dual plane air gap Manifold , need help with the Ignition and Carb setup. i think MSD and a Holley ?? wich ones don't know.

full HYD. Roller motors
Bob at RM is doing the Cam designs Cam motion is Machining round stock. so i do not have any info on cam yet.

also any info i can get will be Great. I know this is not a race Boat. they were only 330 HP new thinking around the 530HP or so now @ 5k RPM

can also use some Prop info i know i need new ones. don't know where to call or who to talk with... Thanks in advance.

also my name has nothing to do with boats.... I also drag race. 7.70 1/4 not to bad....it is only a 4cyl. with a 74mm turbo. so i have used the name for a wile..

wow, that is a heavy boat.

What's on the drive end that you stuck with the reverse rotation? +1 on the heavy boat!

Bob is a expert, he can not only set up your cam but he knows what parts work well together.
It may be worth your while to set up the engine as a standard and make adjustments to your drive.
Be sure to upgrade the oiling system, the stock system has a very small cooller.

motors, velvet drives, shaft and props... no outdrives

the drive ratio is a 1:52.1 with old prop was 18 x 18 4 blade nibral

the drives can not reverse the input direction. i had looked into that.

Bob is doing Cams Head selection and lifters.

i forgot to mention the exhaust manifolds are the revolution marine manifolds , risers , and 4 to 6 inch y,s on both sides wet exhaust

thanks about the oil cooling....what do you guys recommend

cant u just get other drives ...maybe TRS/ #3's or so ?

i dont have outdrives to switch direction... unless their is something that someone has not mentioned. my drives are the 72c velvet drives. they said there is no changing the input direction from lets say cw input to ccw output

Earl @ Huber said he can make them stronger but no changing direction

The 72 C is a transmission, not your outdrive !!!!

What DRIVES are on the back of the boat ??
a picture would be very helpfull !!

Thats what im saying... i dont have drives . i am a shaft drive boat