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Messages - Grimpala

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1
Random Boat Parts For Sale / Re: WTB -8 AN 90° fittings
« on: June 12, 2019, 06:12:08 AM »
Grassy-ass.  I think I have from the t-valve to the headers figured out, but this piece will work perfect from the water neck to the T. 

PM me your address and I'll send you some $$$ to cover shipping.  I'm all the way out in TX. :D 

2
Suggestions / Support / Re: Brand new jet boat owner
« on: June 12, 2019, 06:09:41 AM »
All boats are different.  I have a 76 Rogers SC with a BBC in it and as long as I don't come off plane too fast it doesn't take on water.  However, if I get around wake boats it tends to take on a little.  I have gotten it over the side while making a tight turn to the left with my fatass on that side.

I've only been in a jet for the last two summers, my suggestion is to go out by yourself or with a buddy and play with the boat.  Learn it, see how it handles different water and wave conditions.

I went out a half dozen times before I ever took the kids with me, learned a lot about my boat and how she handles, I'm still learning, but at least I have a decent grasp before putting others in possible harms way.

3
I can't see the pics, but can you tap on the valves with a hammer and see if they might just be stuck in the guides? 

Or, pick up a cheap borescope from amazon and take a look from the spark plug hole.

They very well may be bent, but it's worth a check. 

4
Random Boat Parts For Sale / Re: WTB -8 AN 90° fittings
« on: June 10, 2019, 02:46:08 PM »
How much for that setup?  You think it'll hold water pressure?  I got some fuel lines from the guy I got my tunnel ram from and they leaked like a sieve.

5
Random Boat Parts For Sale / Re: WTB -8 AN 90° fittings
« on: June 04, 2019, 06:29:03 AM »
I might have some . Will check when I get home . U looking for -8 90 to npt ???


Sent from my iPhone using SoCal Jet Boats

Sorry, I think my initial post was confusing.  I'm looking for 90° hose ends.  I have two straights, and I'm trying to run from the bassett T to the headers from under the motor instead of the front.

6
Random Boat Parts For Sale / WTB -8 AN 90° fittings
« on: June 03, 2019, 07:54:45 AM »
Anyone have any -8 stuff lying around they want to part with?  Looking for a couple of 90° fittings, summit/amazon has them for ~$15 each, I'm not concerned with scratches or discolored anodizing so I thought I might see if I could find some used cheaper.

Grassy-ass


7
Growing up dad would pull the 22' camper behind a late 80's burb, then he'd have his 20' bass boat behind the trailer.  We went all over the place between TX, AR, MO, LA with that rig.

9
Engine Mechanical / Electrical / Cam too big?
« on: April 29, 2019, 01:22:12 PM »
So I have this cam that I got in a package deal. I'm thinking it's too big for my boat, 18' Rogers Super Cyclone, JB-A. 

But I thought I'd refer to the experts.

I'm building a ~10:1 468 with 781 heads and a tunnel ram, I have OT Bassetts. 

Cam specs are:

Solid flat tappet
110° LSA
106° IC
Duration: 306
@.050: 260
.629 lift


10
Engines / Engine Parts For Sale / Re: Need headers
« on: April 24, 2019, 01:33:31 PM »
Could you just weld on another coleector and cut it or the old one down so they're the same length?

11
Boats For Sale / Re: Craigslist & ebay boats
« on: April 10, 2019, 06:37:25 AM »

12
Engines / Engine Parts For Sale / Re: Pump brace
« on: March 22, 2019, 12:38:20 PM »
Forgive my ignorance, but what does this piece accomplish?  Strengthening the hull, pump, or both?

13
Random Boat Parts For Sale / Re: Jetboat parts for sale
« on: November 02, 2018, 10:45:01 AM »
How much for a set of gas fills?

14
Random Boat Parts For Sale / Re: Seat boats and Bimini for sale
« on: October 08, 2018, 11:20:22 AM »
Do you have any dimensions on the seats.

15
Random Boat Parts For Sale / Re: 454 Holley carbs and tunnel ram
« on: September 19, 2018, 12:19:26 PM »
No price must be free !!!

I'll take it at that price.

16
The No Wake Zone / Re: Selling project or parts boat
« on: August 22, 2018, 12:19:54 PM »
I drove from Dallas, TX to Sacramento to buy a boat from this site, so I'd say it's pretty far reaching.

17
Jet Pumps / Re: Control cable mount Need help!!
« on: August 06, 2018, 01:59:30 PM »
Jim got me fixed right up, been working great ever since!

18
how do u use it spray it on wipe it off?
do you let it sit for a while kinda in the same situation as original poster

I used CitriStrip from Home Depot to strip the paint off of mine.  Brushed it on and let it sit til the paint bubbled up then scraped it off.  Most places took two applications to get all the paint off, and I used a fine scotch brite pad for the contoured areas.  Then I washed the boat and wet sanded/polished the get.  It's not perfect, but it's better than the paint that was on it.

19
Engines / Engine Parts For Sale / WTB -8 AN Lines
« on: July 15, 2018, 07:53:16 PM »
Looking to see if anyone has any old random an lines and or fittings they want to part with. 

Just put on a set of bassetts and need to plumb the T and water lines.  I'm going to redo everything over the winter and don't want to pay for new parts if I can find used. 

I need -8 fittings, 5 straight, one either 45° or 90°.  I can use assembled hoses if someone has those lying around.  I need one 30", one 18" and one ~6".  I can shorten longer ones if need be. 

Dig through your junk drawers and old parts bins and sell me your old, faded, discolored an fittings and hose. 

I have a few parts lying around to trade if you're interested in the that instead of cash.

Thanks,
Lynden

Sent from my HTC One_M8 using Tapatalk


20
WTB / Re: Rear tie off
« on: July 10, 2018, 07:46:53 AM »
Could what you have be drilled/tapped or have new studs welded in place of the broken ones?

21
Engines / Engine Parts For Sale / Re: 454 Cam & Valve Covers
« on: July 09, 2018, 01:34:39 PM »
Check your PM's

22
Engine Mechanical / Electrical / Re: LT1 IN A KONA
« on: June 14, 2018, 11:12:45 AM »
You guys plumb it however you want, it's not my boat.  But if I was doing it, I'd run it the way GM designed it.

http://www.enginebuildermag.com/1999/09/rebuilding-the-chevrolet-lt1-engine-2/

Quote
EXTERNAL COOLANT LINES

There is an extra hole that goes into the water jacket on both ends of the heads. These should be plugged when they’re in the front, but left open when they’re on the back. There’ s an external coolant transfer line that connects the holes on the back side to a reservoir that vents the air and steam vapors that would be trapped in the head and cause hot spots.





23
Engine Mechanical / Electrical / Re: LT1 IN A KONA
« on: June 13, 2018, 11:32:40 AM »
And lt1 also has a closed cooling system in a car.

A jet boat engine, just sitting in the water is mostly dry / empty.

When water enters the top, it will seek the path of least resistance, and out the back, leaving the majority of the block and heads uncooled/dry.

If you restrict the water on the exit, you will over pressure the block and heads, pushing out a head gasket or even the core plugs.

When an Lt1 is in a boat, car rules no longer apply.

With a whole lake full of water, reverse flow cooling or not, it WILL stay cool. Exit temp should be 120° or so with headers.

Dan'l

When you say "out the back", what do you mean?   

The lake full of water makes sense, it's going to cool either way, just thinking it should be plumbed the way it was designed.

My understanding of how a jet cools the motor is that the block fills from where the water pump would normally mount, fills the block, then the heads, then out the water neck to the exhaust. 

Why wouldn't you plumb the LT1 the opposite of this, so that it fills the heads via the upper water pump holes, and then the block, then exits via the lower water pump holes?

24
Engine Mechanical / Electrical / Re: LT1 IN A KONA
« on: June 12, 2018, 11:00:48 AM »
An LT1 is designed to cool the heads first.  I would think that plumbing to the block first would be bad for cooling.  The heads are designed to work this way and don't look like normal SBC heads with regards to cooling passages, steam pockets wouldn't be an issue like they are on a standard 350.  They're more like a 400 for cooling than they are a 350.

25
Engine Mechanical / Electrical / Re: LT1 IN A KONA
« on: June 11, 2018, 02:17:00 PM »
After thinking about it for a second, an LT1 would be a little difficult to plumb in a boat without some sort of adaptor.  Since the water neck is part of the pump you'd have to have a plate made up that would feed into the block on the top, then out on the bottom.  Basically two fittings on each WP attachment point instead of one.



http://garage.grumpysperformance.com/index.php?threads/lt1-vs-lt4-corvette-engine-parts-differences-useful-links.13141/

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