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Search: Posts Made By: johnsc91
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Forum: Prop Talk
08-24-2006, 10:43 AM
Replies: 1
Views: 957
Posted By johnsc91

4 Blade Prop Options

BBlades or Trhottleup.

Why Revolution 4 over Ven-Sura in single engine, light boat application? Have seen couple head-to-heads where Ven-Sura out performes in both bottom & top end.
Forum: Prop Talk
08-24-2006, 10:38 AM
Replies: 27
Views: 20,135
Posted By johnsc91

Re: 383 / Alpha prop selection

TOMZ

You are correct. Wouldn't take much to >> increase HP & Torque in the 383 application. Wanted increase from stock 2Bbl 5.7l, but scared to death of crushing the Alpha. Will have to look...
Forum: Prop Talk
08-21-2006, 12:09 AM
Replies: 27
Views: 20,135
Posted By johnsc91

Re: 383 / Alpha prop selection

Was able to borrow a 14 x 24P, 3 Blade Ballistic ==> want to find out how close will be size / pitch wise for starting reference. Hope to try in couple days.
Forum: Prop Talk
08-11-2006, 02:07 PM
Replies: 27
Views: 20,135
Posted By johnsc91

Re: 383 / Alpha prop selection

Pulled HP & Torque are off of print out. Used Owens racing near Houston & witnessed pull, so feel pretty good about the numbers.
If go with the Rev 4, should I just buy it? OR whould it be better...
Forum: Prop Talk
08-11-2006, 07:30 AM
Replies: 27
Views: 20,135
Posted By johnsc91

Re: 383 / Alpha prop selection

Close est on boat weight ==> 3400# loaded + 36 Gal Max fuel.
Max Dyno Hp is 343 @ 5100 rpm. Max torque 396 ft lb @ 3000 rpm, though torque holds above 380+ ft lb across curve (3000 to 4500 rpm). ...
Forum: Prop Talk
08-10-2006, 02:31 PM
Replies: 27
Views: 20,135
Posted By johnsc91

383 / Alpha prop selection

Have a 21' Caravelle Interceptor, approx 3000#, with a new 383 (Dyno @ 340 Hp / 395 ft lb) and Alpha Gen 2. Existing prop is stock 21P Aluminum (orig engine was 5.7l / 250Hp) which will blow past...
Forum: Prop Talk
08-03-2006, 05:52 PM
Replies: 6
Views: 2,004
Posted By johnsc91

Re: Variable Pitch Props.

Thanks guys.
Any info on the Mercury brand, or are they all pretty much the same?
Forum: Prop Talk
08-03-2006, 01:44 PM
Replies: 6
Views: 2,004
Posted By johnsc91

Variable Pitch Props.

Are these any good? Longevity, Performance, etc?

Seems like were made for few years, but then dropped (Mercury Power 2, Land & Sea,...). Have been looking at a couple (19 to 25 pitch) for a 21'...
Forum: Detailing, Painting, & Fiberglass
04-22-2006, 09:47 AM
Replies: 18
Views: 7,598
Posted By johnsc91

Re: oxidation removal & waxing

Frenzy.

The Shark Tower looks to be mainly for rust / oxidation removal. Is this also the product you would use for medium oxidation removal on gel coat? Or would you go with a light coumpoud...
Forum: Detailing, Painting, & Fiberglass
04-15-2006, 11:14 PM
Replies: 4
Views: 1,043
Posted By johnsc91

Bottom Paint

Bought boat wh/ was coated with Anti-foul on bottom, as in water full time during boat season. Will have in dry storage, so am looking at options. I like the black on bottom of boat, but do not...
Forum: Detailing, Painting, & Fiberglass
04-15-2006, 11:08 PM
Replies: 18
Views: 7,598
Posted By johnsc91

Re: oxidation removal & waxing

Thanks guys. As soon as boat back from engine rebuild, will get into finish... Rebuild taking too long, but dyno scheduled for next week & just drop in - can't wait!
Forum: General Q & A
03-04-2006, 10:34 PM
Replies: 8
Views: 908
Posted By johnsc91

Re: drive type

Thanks for responses.

Am just concerned about trashing the alpha. It is newer and has been gone through. From the labor standpoint, the engine & drive are currently out. Can pick up a Bravo 1 &...
Forum: General Q & A
03-04-2006, 10:14 AM
Replies: 8
Views: 908
Posted By johnsc91

drive type

5.7l vortec is out for rebuild to mild 383. Am considering switching from Alpha to Bravo. If do this, any recommendations on which Bravo to use / stay away from (1, 2, 3...)? Boat is small (21',...
Forum: Detailing, Painting, & Fiberglass
03-01-2006, 01:30 PM
Replies: 18
Views: 7,598
Posted By johnsc91

oxidation removal & waxing

Any recommendations on removing light to medium oxidation (boat is 2000 model wh/ lived outside) and waxing?
Not familiar with gel coat work.
I do have random orbit buffer and good products wh/...
Forum: General Q & A
02-22-2006, 09:33 PM
Replies: 13
Views: 5,482
Posted By johnsc91

Re: Small Block Chevy upgrades

----------------------------------------------------------------------

Try looking at www.cfm-tech.com. Go to "online store", "chevy specialty" & look up the 400-VM ==> cast iron performance...
Forum: General Q & A
02-15-2006, 03:38 PM
Replies: 0
Views: 748
Posted By johnsc91

Drive & crank life

Kind of new here.

Building a 383 (approx 375 Hp) in front of a lightly used Alpha Gen II on a 2900 lb / 21' Caravelle Interceptor. Am fairly gentle on equip (no hole shots or air).

Will a...
Forum: General Q & A
01-15-2006, 09:14 PM
Replies: 3
Views: 953
Posted By johnsc91

Re: carb / cam - please advise

Thx Bob.

Have heard good things abt the gap intake. Any issues using Aluminum on marine applications?

Also rebuilding vortec heads. Any benefit in usine 2.02 valves, etc. Worth the cost,...
Forum: General Q & A
01-14-2006, 07:04 PM
Replies: 3
Views: 953
Posted By johnsc91

carb / cam - please advise

Having a 5.7l vortec (2bbl) rebuilt. Picked up a nice CI 4bbl square bore. Planed to put 600 cfm Marine Edelbrock Perf carb on, then read couple of articles recommending double bowl Deamon, etc. ...
Forum: General Boating Discussion
01-07-2006, 06:13 PM
Replies: 14
Views: 10,967
Posted By johnsc91

Re: Emerald Boat line

Thanks for all of the feedback.

Do not know much about the boat yet (will see Mon). It is 2000 model with a 6.2l.
Forum: General Boating Discussion
01-06-2006, 11:16 PM
Replies: 14
Views: 10,967
Posted By johnsc91

Emerald Boat line

Anyone know about Emerald's boats? Have opportunity to pick up an open bow 26' w/ 6.2l for an excellent price. Specifically interested if has significant quality issues, etc.
Forum: General Q & A
01-06-2006, 11:12 PM
Replies: 3
Views: 877
Posted By johnsc91

Alpha limits

If choosing between stroking a 5.7l to 383 (350Hp / 400 ft lbs) and upgrading cam, rockers, etc to keep as 5.7l, which is best way to go? Alpha is Gen II & boat approx 3200 lbs. Do not want to...
Forum: General Q & A
01-05-2006, 10:56 PM
Replies: 2
Views: 888
Posted By johnsc91

repower w/alpha drive

Purchased a 2000, 21 Ft Caravelle Interceptor (approx 3100#) w/a 5.7l votrec. It is rated @250 Hp w/ 2bbl carb. Needs to be rebuilt or replaced due to overheating issue. Want to maximize optput...
Showing results 1 to 22 of 22


 
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