LT1-LT4 Modifications 1993-97 Gen II Small Block V8

Just went thru high water, car is running bad

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Old 03-13-2007, 10:27 PM
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Default Just went thru high water, car is running bad

Is there any way to save the opti from having to be removed? It is under warranty but i would rather not have to pull it if not absolutly ness., any suggestions or am i just fucked???
Old 03-13-2007, 10:44 PM
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Hit it with WD40 to dissipate any water in and around it. My friend soaks his before washing under the hood of his Vette.
Old 03-13-2007, 10:44 PM
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pull all of your plugs and pull off air intake and make sure you did not get water in your motor.. rotate motor to get water out of cylinders and maybe let it air dry over night.. im rebuilding a lt1 for a guy and it snapped the rods..
Old 03-13-2007, 10:48 PM
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It did not go in the motor, just got the opti wet and making it run like ****, ill try the WD40 thing, but your buddy does it before, this is after.
Old 03-13-2007, 11:23 PM
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???Will the WD40 do anything inside the cap and rotor???
Old 03-13-2007, 11:27 PM
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Pull the plugs and wires and just let the car sit and dry out. Did you really drive the car through water so high that you're positive it got into the optispark?

Do you realize the water would probably be higher than your floorboard right? It probably just got some moisture in it. Let the car sit and dry out.
Old 03-13-2007, 11:31 PM
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Well, man the rain was coming down that ******* harrrd, i was in the other lane once, i have no idea how high it was but it started popping badly when i tried to rev the motor or give it throttle in gear, will it be ok to drive home??? i am stuck at a friends house.
Old 03-14-2007, 12:05 AM
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sounds like you might have sucked up some water through the intake. do you have a cai or even the stocker will do it in a lot of water.
Old 03-14-2007, 12:41 AM
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What kind of plug wires are your running.
Old 03-14-2007, 12:46 AM
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Stock looking wires, i dont know what brand, gotta do a tune up next, i got in and it did fine, went thru some more water, maybe 3 or 4 inches high, did fine after for 10 seconds and started popping mega crazy, i was coasting down hill and kept dumping the clutch and letting it roll, then it fired back up fine, drove it the rest of the way just fine, should i worry or do something to it tomorrow?
Old 03-14-2007, 12:55 AM
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If it only popped for a second then drove fine it sounds like you sucked some water into the intake which likely messed up the signal from the MAF
Old 03-14-2007, 09:35 AM
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Yeh I don't think it is your opti. Most likely sucked up some water through the intake. The puddle would have to be super deep to submerge the opti. I would pull out the CAI and give it a blow dry. Then re-grease the filter.
Old 03-14-2007, 12:41 PM
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I have to disagree and say it is your opti. I have had two go that weren't completely submerged in water. Just got a lot splashed alot is my guess, but I had the popping a lot. I let it sit over night and next morning just truned the car on and let it idle to heat up and dissapate the water.

It smoothed out and ran good after a few minutes, but about a month later it died. Opened the opti up, there was so much rust it couldn't even turn the disc inside.
Old 03-15-2007, 05:11 PM
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****, that is what a friend told me.
Old 03-15-2007, 05:32 PM
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I say the opti got wet.
Old 03-16-2007, 03:53 PM
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We will see, i am going to get some of that CRC **** and hit it thru the vacuum port if possible, it is running a little wierd at WOT sometimes, but it has been possibly doing that since i de-screened the MAF.




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