Super Charger Questions?

[tooclean]

Using my extensive background in car knowledge and my limited exposure to boats, I think you can do this for about the same cost as it would be on a car/truck. The main things to consider and type of supercharger(roots, centrifigal?sp?) and the type of fuel management you have currently. Is it carbed or is it injected. The kit itself should not have to be marine specific, it is basically a compressor, so no additional waterproofing or spark dampening will be needed.

Five pounds of boost on a small block is gonna give some pretty noticeable gains. Think roughly 100hp and 150ft/lbs based on a 300hp flywheel hp engine. This is with stock cam and heads. Cam overlap is not gonna be an issue until you start pushing alot of boost and turning some serious rpm.

Let me know if you have more specific questions.

[gman]

Need to check the transmission and see if its designed to handle the extra power and troque?

[spharis]

I would like to see 150 hp from 5 pounds of boost.

[NICKYPOO]

Here's what you really need.

http://iowahawk.typepad.com/iowahawk...real_acme.html

[dogbert]

Here's what you really need.

http://iowahawk.typepad.com/iowahawk...real_acme.html

That's nuts...of course one day I hope to own a Porsche 962.

[tooclean]

I would like to see 150 hp from 5 pounds of boost.

I never said 150hp. It all depends on compression ratio. Also, you have to take into account no drive train loss, as I did say flywheel.

I am most familiar with GM LSx motors. On average @5-6 pounds on an ATI kit, guys are picking up between 150-160hp at the rear wheels. Average drivetrain loss is 12%. Stock compression ratio on an LS1 is 10.1.

As far as reworking a motor to put out that much power N/A, yes you can. But a power adder is just that, bolt on power. No pulling the engine out, opening it up and hoping you get everything spec'd right when you put it back in. Or trusting someone to do it right. In most cases you are going to have some negative effect of the larger cam, etc. Rough idle, more gas usage all the time, more noise,(you are not going to get gains worth as much without headers). With some kind of forced induction in most instances you are only utilizing this under load or full throttle. So the fuel map is not dumping the extra fuel until it sees boost, therefore you are not using that much gas all the time. I digress...

Sorry that was wordy

[Gschmidt1]

every word capped = incredibly hard to read.

[spharis]

I have never seen 150 flywheel from 5 pounds without some extra (nitrous, water injection, etc.). 10 pounds yes, but not 5 pounds. 5 pounds of boost and the amount of work involved in getting a charger on a boat wouldn't be worth the time or money invested; especially for an inboard ski boat, that we all wish was a little quieter anyway.

[tsnowflake72]

Not sure if this what you guys are talking aboout but here you go.Not a mechanic just a reader.
http://www.superchargers4less.com/bo...plications.htm

BOURQUIN MARINE
Shreveport's only high performance marine supercharging facility
and the area's only ATI Procharger® Distributor / Installer

Call us toll free for guaranteed low prices 866-564-9777

End of year sale! Save up to $900
Offer ends December 29th 2006

Application
Part Number System Description Power Gain Boost Supercharged
HP ProCharger
Model Intercooler
Model ProCharger
Warranty**
Mercruiser™
454/502 Mag MPI 1MB181-NN* M-1 Intercooled 40 - 50% 5 psi 610 - 620 M-1 or M-1SC AW-324 3 YEARS
1MB223-NN* M-3 Intercooled 45 - 65% 5 psi 630 - 700 M-3 or M-3SC AW-504 1-3 YEARS
Mercruiser™ 496 MAG/HO 1MG182-NN* 496 Mag/HO Intercooled 30 - 40% 3.5 psi or
5 psi*** 580 - 625 M-1SCB 496 Mag 3 YEARS
Mercruiser™ 500 EFI 1ME222-NN* M-1 Intercooled 45 - 50% 5 psi 740 M-1 or M-1SC AW-324 3 YEARS
1ME323-NN* M-3 Intercooled 55 - 65% 5-8 psi*** 765 - 830 M-3 or M-3SC AW-504 1-3 YEARS
Mercruiser™ 7.4L MPI 1MD181-NN* 7.4 MPI Intercooled 50 - 65% 5-7 psi*** 500 - 560 M-1 or M-1SC AW-324 3 YEARS
Mercruiser™
Carbureted
Big Block 1MA281* M-1 Intercooled 45 - 55% 5 - 7 psi CALL M-1 or M-1SC AW-324 3 YEARS
1MA222* M-1 Intercooled (12 Rib) 45 - 65% 5 - 9 psi CALL M-1 or M-1SC AW-324 1 YEAR
1MA223* M-3 Intercooled 50 - 90% 5 - 12 psi CALL M-3 or M-3SC AW-504 1 YEAR
1MA323* M-4 Intercooled CALL CALL CALL M-4 or M-4SC AW-504 1 YEAR
1MA323* M-5 Intercooled CALL CALL CALL M-5 or M-5SC AW-648 1 YEAR
1MA181* Standard (non-intercooled) 25 - 35% 5 psi CALL M-3 or M-3SC N/A 3 YEARS
350 Mag MPI, 6.2 MPI 1MF183-NN* 350 Mag, 6.2L Intercooled 50 - 65% 5-7 psi*** 490 - 540 M-1SCB 350 MPI 3 YEARS
Mercruiser™
Carbureted SB (up to'96) 1MC181-NN* M-1B Intercooled 35 - 45% 3.5 - 5psi 390 M-1B or M-1BSC AW-162 3 YEARS
1MC222-NN* M-1 Intercooled 55 - 65% 5 - 9 psi 400 - 440 M-1 or M-1SC AW-324 3 YEARS

* For part numbers, replace "NN" with the motor model model year, for carbureted motors, add "-MAG" to end of part number, or add "-HP" to end if HP motor
** Warranty on supercharger itself: electrical components carry a 90 day warranty, all other system components carry a 1 year warranty. Self-Contained (SC) models are
eligible for 3 year extended warranty require a $49 payment (for coverage and supply of oil): higher boost levels are limited to a 1 year warranty (only 5 psi = 3 years)
*** Higher boost levels (6+ psi for 500 EFI, 350 Mag MPI and 7.4 MPI: 4+ psi for 496) require fuel system upgrade.

Phone Order Sales Welcome
We will ship systems anywhere!

Call Toll Free: 866-564-9777 or International: 318-987-0275
For Current Pricing on all Procharger® Marine Systems

BOURQUIN MARINE
119 BEECH STREET
SHREVEPORT, LA 71107

[tooclean]

This is from one of the suppliers of the ATI kit:
"The H.O. Intercooled ProCharger system for 1998-2002 LS1 F-body applications features the self-contained P-1SC-1 ProCharger and twin highflow intercooler system as standard equipment. Running pump gas, the 4# kit is capable of showing you an 80-90hp increase (no other mods required). For people looking for more power the 5# system will step that up to about a 100hp increase..."

I did not take into account most of the people running this kit go with the 6# and have other supporting mods ie headers. The quote is for the P-1SC-1. The most common is the upgraded D-1SC-1, it includes the 8rib belt system for less chance of slipping and an improved compressor housing.

On a 300hp at the wheels LS1 F-body with the 5# kit and doing the math with a 12% drivetrain loss. 450 flywheel hp -12% is 54hp, which gives you roughly 100hp at the wheel increase.

I have no doubt you have never seen this, and I am sure you will not believe me until you do. I am the same way. I have seen this first hand, I am usually not a bench racer. I have no reason to fluff numbers as this will probably never come to see the light of day. However, if you want to come off the hip with the 7,000 for the kit, I will install it on my boat and have it dyno'd on a engine dyno so we can see the results.


According to the post above they are claiming a 55% increase for the 5# kit on carb'd small blocks. Mine is rated 310hp, 55% of that is 170.5. So 310+170.5 is 480. And I thought I was estimating high.

[Domsz06]

Lets back up here for a second before we start offering solutions and what not.

Couple of questions.

1) what type of boat do you have?

2) What type of Engine do you have?

3) What type of prop do you have?

4) What elevation do you operate at?

5) what are you looking for in the way of performance?

6) Are you still wanting top end?

7) are you wanting reliabile, or willing to work/tinker on something all the time

There are tons of different options, and I bet that people out here could easily help you come up with a better solution if you answer some questions.

A super charger works great on a car, and even a jet boat, but you put one on an inboard, your going to run into problems. Spharis is very knowledgable, and I have done a lot of work on cars, as well as boats.

We would love to help you, just give us some back ground, and we will give you some answers

Dom

[CessnaCaptain]

Call Semper Speed and Marine. www.semperspeedandmarine.com I believe.. They specialize in custom marine motors and have creations that are truly
)(*&^%$ off the charts. Keep marching to the light. If you find it is a train, derail it..

[Domsz06]

nice quote Cessna!!

[CessnaCaptain]

Horns + Lights= Train

Gratis Ago Vos, Domz.

Thank you.

Amazingly enough I was forced to relearn from my own quote this week. Even though I was walking on the tracks, Heard the horn a blow'in, And saw the big pretty light, I failed to realize a train was coming. Ahhh.. Nothing hurts more. Filed as things that make you feel dumb

Happy boarding.

[FIC]

sorry for sounding like a broken record but the only thing that beats cubic inches is cubic dollars!