SoCal Jet Boats

Tech Talk => Engine Mechanical / Electrical => Topic started by: countryboyaustin on June 18, 2007, 01:24:34 PM

Title: Eliminator Questions
Post by: countryboyaustin on June 18, 2007, 01:24:34 PM

Ok I have a rather large Jet boat and I have a blown head gasket. She never got hot but it is bad enough that she was missing a bit and a little water in the oil. I am replacing the gasket and want any hints or advice on putting a little mor umph! on her without breaking the bank. Big Block Chevy with old school logs. Also have a question about what I need to do if I wanna run my exhaust above the water line. She is real dirty here from the lake being so nasty from the recent flood. The gelcoat is original as are the seats.

Title: Re: Eliminator Questions
Post by: The Chaz on June 18, 2007, 02:14:34 PM

OT Headers is an easy way to get a bit more HP.  You just need the headers, water injection lines, replumb the current water lines, and block off plates to cover the holes from your old exhaust.  It will get a lot louder though.  I can't tell from the pics, but if the engine is currently covered you will have to remove it.  They also get VERY hot.  Using the swim steps will require a lot more care not get burned.

Title: Re: Eliminator Questions
Post by: countryboyaustin on June 18, 2007, 03:09:25 PM

I have so much freeboard that I woudl have to have OTs custom made. I need like 23" rise to clear my Transom. I woudl love OTs even more I woudl love waterjacketed but I cant spend 1800 on a set of headers.

Title: Re: Eliminator Questions
Post by: Marcsrollin on June 18, 2007, 03:46:51 PM

Throw a cam in it and a bigger carb.

Title: Re: Eliminator Questions
Post by: countryboyaustin on June 18, 2007, 05:35:46 PM

Probably need to rebuild the carb I am running an 850 dp

Title: Re: Eliminator Questions
Post by: beerjet on June 18, 2007, 09:37:04 PM

Quote from: countryboyaustin on June 18, 2007, 05:35:46 PM

Probably need to rebuild the carb I am running an 850 dp

I'd start with a tune up .
New plugs , wires , cap , rotor.

carb rebuild wont hurt anything othe than the check book .

Check your timing .

I ran across SS polished lightings for $800. I dont think moving the exhaust above the water line is going to help performance either .

-beerjet-

Title: Re: Eliminator Questions
Post by: countryboyaustin on June 19, 2007, 07:15:45 AM

Are those water jacketed? for 800? The moving them above the water line thing wasnt a hope for power, it was more of a desire to be heard.

Title: Re: Eliminator Questions
Post by: COORS HEAVY on June 19, 2007, 11:29:22 AM

I found this maybe you can use them. He is selling  Polished Indmar Exhst Manifolds/Risers, w/Gaskets for a $100. Sounds like a heck of a deal.

http://sandiego.craigslist.org/boa/355224281.html

Title: Re: Eliminator Questions
Post by: countryboyaustin on June 19, 2007, 01:23:19 PM

arent the risers about the same as my original logs?

Title: Re: Eliminator Questions
Post by: beerjet on June 19, 2007, 11:51:21 PM

Quote from: countryboyaustin on June 19, 2007, 07:15:45 AM

Are those water jacketed? for 800? The moving them above the water line thing wasnt a hope for power, it was more of a desire to be heard.

Those were beautifully polished , water jacketed lightning headers. WERE .

-beerjet-

Title: Re: Eliminator Questions
Post by: countryboyaustin on June 20, 2007, 09:28:02 AM

I assume that means that they are GONE?

Title: Re: Eliminator Questions
Post by: beerjet on June 20, 2007, 07:03:50 PM

Quote from: countryboyaustin on June 20, 2007, 09:28:02 AM

I assume that means that they are GONE?

I ran across them at the swap meet a while ago and didnt have the cash for them otherwise...  :-\

-beerjet-