| From | Message |
plwhite
Dodge Dakota
9/20/2001
21:30:32
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 Subject: 4.7 piston rings
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Message:
how high is the top ring on the 4.7. is it realy .125 from the top I have read the artical that came out way before the motor did that said .125 from the top. it also said that the throttle linkage was electric and it is not.
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MAD DUC
Gen III
9/24/2001
22:17:44
| RE: 4.7 piston rings
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Message:
I thought it was moved up higher by .125? I don't know of anybody that has actually held a 4.7 piston in hand. Maybe Bernd, but he seems to be missing lately. I wonder how much $$$ to order just one from the dealer to see what all the fuss is about,hmmmmm.
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CW
Dodge Dakota
9/24/2001
22:40:02
| RE: 4.7 piston rings
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Message:
I have one apart right now I will try to remember to measure the distance from the top of the piston
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MAD DUC
Gen III
9/24/2001
23:25:06
| RE: 4.7 piston rings
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Message:
Thanks CW!!!
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CW
Dodge Dakota
9/25/2001
14:10:01
| RE: 4.7 piston rings
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Message:
Alright, I measured the piston ring hight to the top of the piston came out at right about .125" or 1/8". The piston ring width is smaller than the previous engine as well .059" or about 1/16" compared to 5/64" or .078". They are cast flat top pistons. Hope this helps.
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sandman
Dodge Dakota
9/25/2001
20:59:29
|  RE: 4.7 piston rings
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Message:
TRW makes a replacement piston that has the rings lowered a bit. It is their replacement piston for the jeep cherokee.
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plwhite
Dodge Dakota
9/26/2001
21:04:38
| RE: 4.7 piston rings
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Message:
Sandman can you tell me where you found info on the jeep piston. thanks
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Sandman
Dodge Dakota
9/26/2001
22:21:32
| RE: 4.7 piston rings
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Message:
I had to restore my system due to worm virus. I nolonger have the site. It was posted here on this board months ago. It was an article about the 4.7 liter engine and it's specs. and development. That article mentioned that TRW's replacemnt piston for the cherokee has lowered rings to increase durability. If you contact TRW I am sure that htey could help you out.
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