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22:24:15 - 04/19/2024
V8 Dakotas
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sandman
Dodge Dakota
JOIN HERE
11/03/2002
14:32:33
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 Subject: MotorVac Problems!!!!
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Message:
I do not know if this problem is inherient to MotorVac process( never used this process as tech.) or if it is just Tech. error. I has seen over 20 engines this last mounth that exhibited evidence of high speed hydrolock while the top cylinder area was being cleaned with MotorVac system. most of the engines had less then 5000 miles on them but a few were high miliage. The dealerships were trying to offer these services as prevetive maintence. It has not been isolated to one engine design. I have seen it on the 3.4,3.8 and North Star series. I thought that I would pass this along to the group. While this process has some merit to de-carbon the top cylinder area it should not be used as a preventive maintence type service. It might also merit that any one that offers this service might want to perform this process at lower rpms. This post is for imformational purposes only. It is not intended to act as any type of case study........ i have not used this sytem but some on this board offer this service at their shop's. They might be able to offer some insight this. Please no flames!!!!!
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CW
GenIII
11/03/2002
16:45:49
|  RE: MotorVac Problems!!!!
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Message:
Damn you would have to dump alot of cleaner in the engine at idle to do that!!!
4.7 HO, CW style
2001 4.7 5sp 3.92 LSD
Ported 68mm TB, IAT adjuster, 3" flowmaster cat back, TPS @ .76V, 4" Z-tube, Roadmaster active suspention, Removed Third cat, Electric fan Convertion, HO cams, Robert shaw 180 therm, HO intake manifold.
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sandman
Dodge Dakota
JOIN HERE
11/04/2002
22:43:51
|  RE: MotorVac Problems!!!!
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Message:
CW not all tech.'s are as skilled as you are. Their are alot of "grease monkeys" left!!!
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