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washed engine now it won't start

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Old Jul 10, 2007 | 11:26 AM
  #21  
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Originally Posted by vetteblack
See post #11.
Woops.

Thanks for pointing that out, I did miss it. Maybe it benefited someone in some way.
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Old Jul 10, 2007 | 02:04 PM
  #22  
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Amen to this post. Could very well happen that way. If it goes south soon, do yourself a favor and replace with an aftermarket unit. OE opti = garbage.


Originally Posted by 85 500 horse
I don't mean to bust your bubble, but don't be too surprised if your car dies in the near future. Those darn opti's sure do hate getting wet and even though your car came back to life, it doesn't mean that damage wasn't done. I don't want to get you upset or anything. I'm just saying that if your car dies, it will probably be the opti as the culprit. As mentioned, you should never wash your engine with water. Use the hand, rag, rub method.
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Old Jul 13, 2007 | 01:40 AM
  #23  
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I dont know if the 94 has the venting feature or not. But for the OPTI's that do..............Couldnt you rig the vent lines with some low pressure compessed air say, overnight to circulate through and hopefully dry up the moisture. I dont think this would be too difficult to do. Sure beats replacing it. After mine went out last summer and doing a little research and discovering that the later OPTI's are vented it seemed like it would be worth trying. I ended up replacing mine with an MSD (vented) and it runs fine.
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Old Jul 13, 2007 | 02:06 AM
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We're back to normal. Car is fine, once it acts up again I'll do the MSD vented distributor, the 94 is not vented, unfortunately. Next up changing the converter. Will be looking for advice soon.


Hey RetroTA

I have a BBC '77 TA---- lots of fun.
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Old Jul 13, 2007 | 02:22 AM
  #25  
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BBC? Black on Black.....C? I grew up in South Holland. Bought a 81 T/A that sat in a body shop in Calumet City since 1982. Was a theft recovery car that the shop owner got out of the auction and sat in his shop till 1997 when I bought it. Has 15,000 mis. very clean and perfect interior but needs a total resto due to sitting so long. Gonna start on it soon. Can you post some pics of yours? Glad to hear your up and running!


GO BEARS!
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Old Jul 14, 2007 | 12:39 AM
  #26  
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Big Block Chevy, actually a 461ci. 11.5 compression with turbo 400 and 3.73 gear. Anyway all my pics are non digital, I'll dig out the digital camera and try to figure out how to post a few. The car is all black, interior is good not perfect, bought it as a basket case back in '86 restored it all. Thinking about new paint soon. Good luck with yours.




Last edited by JRS 94; Jul 14, 2007 at 02:10 AM.
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Old Jul 20, 2007 | 12:32 PM
  #27  
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They make a nice lookin couple!
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Old Jul 20, 2007 | 02:21 PM
  #28  
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Originally Posted by VetteUSA
engine + garden hose = bad.

Chances are you drowned your Opti
D'oh!
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Old Jul 20, 2007 | 03:17 PM
  #29  
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Ok, ok. The car is dead.....but does the engine compartment look any better????

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Old Jul 20, 2007 | 03:36 PM
  #30  
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Thought the problem with the OPTI I was the vent hole was to small and the OPTI II corrected that with larger vent holes to let moisture out.
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Old Jul 20, 2007 | 05:36 PM
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Opti I = vented but no positive pressure to pull condensate out.

Opti II = vented but has vacuum applied to circulate air without pulling more condensate in.

Aftermarket (MSI) = 100% Sealed
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Old Jul 23, 2007 | 10:21 PM
  #32  
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Originally Posted by black_771
Opti I = vented but no positive pressure to pull condensate out.

Opti II = vented but has vacuum applied to circulate air without pulling more condensate in.

Aftermarket (MSI) = 100% Sealed
Do you mean MSD?

I installed MSD over a year ago, It does have vacume circulation though. wash the engine regularly with. no problems . Id recomend it to anyone
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Old Jul 24, 2007 | 09:10 AM
  #33  
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Originally Posted by RetroTA
Do you mean MSD?
Oops!! I would play it off as "fat finger syndrome", but the "I" key and the "D" key are on opposite sides of the keyboard. Please forgive me.
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Old Jul 26, 2007 | 09:33 AM
  #34  
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Definitely sounds like the opti to me. BTW, even disregarding the opti, I dunno why you're running the engine when you wash it even if you are spraying it with the hose. These engines run so hot that any water that hits it is gonna hit boiling point almost instantaneously, will spray off and lose its effectiveness to actually clean or wash the areas sprayed. The preferred method is always light hosing if you do any at all and hand wash/rag. Especially with opti engines. Older engines like L98s can be sprayed/hosed as long as the dist is covered up and avoided in the spray(of course cover the alt and battery), but like I said, spraying water while the engines running is just gonna make it that much more innefficient and messy as these cars can be running at over 220 degrees. Another reason why this "spray" especially on a hot running engine can be bad, is the water that sprays off potentially to the air filter. Getting that in your intake is the last thing you wanna do.
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Old Jul 26, 2007 | 09:46 AM
  #35  
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I just removed my opti I on my 94 and I see no vent hole on it anywhere. I see none on the replacement either.
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Old Jul 26, 2007 | 04:57 PM
  #36  
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I always carry my AAA card and a cell phone. In your case, it might be a good idea for you to do the same at least until you upgrade your opti. I went with an electric coolant pump that won't dump all over the opti when it fails.
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Old Jul 26, 2007 | 05:07 PM
  #37  
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Originally Posted by vettowner1994
I just removed my opti I on my 94 and I see no vent hole on it anywhere. I see none on the replacement either.
The three holes on the bottom are the vents. They are just really small. The vents are larger in 95+ Opti's because of the vacuum ports.
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