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Old 09-21-2016, 09:05 AM
Tilemule Tilemule is offline
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Boat: 2000 Matercraft Prostar 190, 1990 Ski Brendella supercomp, 1987 Supra Pirata
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2000 Tbi

Any idea where to find the o-rings fuel line fittings at the throttle body?

I didn't see any on the Skidim site.
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  #2  
Old 09-21-2016, 09:57 AM
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Blackhawk36 Blackhawk36 is offline
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Boat: Mastercraft Prostar 190, 1996, 5.7L Indmar
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You should be able to get an assortment at any auto parts store. Just pick on that fits securely.

You could also go to a GM dealer. A 1988 pickup would have the same o-rings but my guess is that the dealer would just pick one from an assortment.
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Old 09-21-2016, 10:28 AM
curver900 curver900 is offline
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make sure that if you buy don't buy them from the GM dealer that they are compatible with fuel....
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Old 09-21-2016, 10:53 AM
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AUProStar AUProStar is offline
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Rock Auto carries them online. Search 1993 Silverado as noted above
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Old 09-21-2016, 11:47 AM
Tilemule Tilemule is offline
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Thanks Guys, useful advice.

If I can't get them a Napa I will order off of Rock
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Old 09-21-2016, 12:31 PM
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mikeg205 mikeg205 is offline
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Quote:
Originally Posted by curver900 View Post
make sure that if you buy don't buy them from the GM dealer that they are compatible with fuel....
lmao - don't like GM curver?
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...A bad day water skiing still beats a good day at work...1995 Pro Star 205....
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  #7  
Old 05-22-2017, 04:02 PM
Tilemule Tilemule is offline
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Boat: 2000 Matercraft Prostar 190, 1990 Ski Brendella supercomp, 1987 Supra Pirata
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Hey guys, finally getting back on this project.

I might as well give a quick back story. 2000 prostar 190 with 137 hours. Original owner bought the boat in 02 and registered it until 09 and something happened where it sat since then. I believe last summer he took it to a local boat shop to get the boat running (not sure if he planned on selling or using) Apparently it was not properly winterized when he stopped using it. It has closed cooling so the block didn't freeze but the raw water in the risers did. It cracked them and when the ice thawed it made its way through the cracks into the cylinder heads where it rusted for about 7 years. Obviously I bought the boat knowing it would need to be repowered and other gremlins fixed just from sitting for so long.

So the new engine is in and I am in the process of connecting the accessories and electronics.

The first thing I have found is the fuel pump was not running when the key was turned on but I had power at the pump.

I pulled the pump out of the tank and put 12 volts directly to the pump and still nothing.

Just for the heck of it I took the assembly apart and put 12 volts the the pump again and it started working but I don't feel confident using the pump and I would rather just replace it while I have it apart.

When replacing the fuel pump are you just replacing the actual silver pump inside the unit that drops down into the tank or are you replacing the whole assembly?

If you replace just the pump can you buy the filter separately? Mine looks pretty funky from the old gas in the tank.

Where is the best place to source this stuff?

couple other random questions.

Apparently I didn't take enough pictures when I pulled the engine in the fall and with my failing memory I forget a couple things.

1. there seems to be an extra wire in the area of the oil pressure sending unit. Is this normal?

2. Am I right in guessing the tbi does not use the crank position sensor but uses the distributor instead. I cannot seem to find a connector for the sensor and I can't remember unplugging one when I puller the original engine.

3. There seems to be a extra 3 pin connector with no home in the area of the distributor. It has very very short leeds coming out of the wireing harness so it couldn't reach anything out of that area.

Thanks in advance
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  #8  
Old 05-22-2017, 08:54 PM
mmoffitt mmoffitt is offline
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I have a 2000 X-Start with TBI.
1. There is an extra wire at the oil pressure sender.
2. I do not believe it uses a crank position sensor, I did not see one visually.
3. I have a 2 pin connector near the distributor.
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  #9  
Old 05-22-2017, 09:38 PM
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mikeg205 mikeg205 is offline
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no crank sensor on tbi...

got a picture?
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  #10  
Old 05-23-2017, 05:13 AM
Tilemule Tilemule is offline
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Boat: 2000 Matercraft Prostar 190, 1990 Ski Brendella supercomp, 1987 Supra Pirata
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I found the pump last night. The cost of just the pump makes you consider swapping to a carb haha

https://mcpartsdepot.com/products/fu...ral-mogul-pump

just to clarify, the old engine had a cps and the new engine has a cps but I have searched for a connector on my harness and can't find one. I agonized over this. Then it hit me that a distibutorless ignition would obviously need a cps, but a system with a distributor could use that to know injection timing. That is the only logical thing that could explain why I can't find a connector. Or I have lost my mind
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