#11
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Hello sir, I just picked up a new IAC for my 95 LT-1 and it did not come with a flat paper gasket as I assumed it would, it only came with a round ring gasket that goes around the base of the pintle. Do I need a flat gasket or am I good to go with the ring gasket? Thanks! |
#12
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As long as the o-ring seats and seals well, I would probably give it a go. I don't see a source for the paper gasket anyway.
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'96 ProStar 205 SD LT-1 |
#13
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No other gasket needed other than the o-ring seal it comes with. Easy Peasy as long as you don't drop the screw
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#14
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I read somewhere that you should wipe some motor oil on the o-ring before install. It didn't mention anything about a gasket so I assume there isn't one.
Going to have to try a new IAC on mine next week and see if that cures my hard starting. For the little cost it's worth it just to have another new part on the 20 year old engine! ![]()
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I was njskier on here. |
#15
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The procedure above from Table Rocker is correct. I pulled mine out to clean it last summer and must have moved it a bit in the process. Boat would only start if I pushed the throttle forward in neutral after I put the IAC back in. A day of internet searching to find the above procedure and everything is now back to normal and the boat starts perfect.
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#16
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The easiest way to find a lot of this stuff is by using Google. In many cases, it will direct you here (assuming you mention marine or Mastercraft). |
#17
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kpickett, any updates? Did you fix your hard start problem?
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I was njskier on here. |
#18
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Well, it's better, but not quite solved. I tested the fuel pressure at prime, idle, WOT, and for a leak down. It's all perfect. I checked my temp sending unit, and it's fine. I realized there was some corrosion in the plug wires, and I just replaced them yesterday. I replaced the IAC valve, and it's definitely smoother out of idle.
My friend who helped me with the fuel pressure tests thought it sounded like the starter wasn't turning fast enough. You could hear the starter bog down, then spin up to speed, so I took the starter to an electrical shop. They bench tested it and pulled it apart, and it's perfect. BUT, we realized that the brand new battery seemed to be only around 10.5 or 11 volts when it was hot. I'm exchanging it today. I'll let you know what happens. It needed the plug wires and the IAC anyway, and it's running really smoothly now. |
#19
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#20
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Slow starter speed on my 97 LT-1 was fixed by replacing the terminals on the battery cables. There was corrosion back around an inch or so on all four ends.
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