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FromMessage
Motorman
Dodge Dakota
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2/09/2002
10:36:34

Subject: RE: Synthetic Oil Difference!!!
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add'l info from the article on the 4.7

"Nothing is re-hashed here, and the combustion chambers are almost hemispherical !"

"With the intake splayed at 13 degrees, the 64cc combustion chamber is approximately hemispherical in shape."

"But looky here, the Intake and Exhaust rockers are opposite each other. Yup, it's almost a Hemi."






CW
GenIII
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2/09/2002
11:41:20

RE: Synthetic Oil Difference!!!
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The intake is 13° but the exhaust is completly flat to the piston 0°. It is a poly head not a hemi. Plus it has a D shape combustion chamber not round like the hemi.

2001 RC 4.7 5sp 9.25" 3.92 LSD
Ported 68mm throttle body, IAT adjuster, 3" flowmaster cat back, TPS @ .76V, 4" cold air, Roadmaster active suspention, Removed Third cat. Electric fan Convertion, Awaiting HO cams.
Working on adjustable fuel pressure with return.

rotax
Dodge Dakota
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2/09/2002
13:38:30

RE: Synthetic Oil Difference!!!
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Hey CW : I see in your profile you removed the third cat, what effect did that make to your overall performance , Milage and does it void the waranty . Or does it just sound better.
Thanks
Rotax:

01 QC v6 homebrew K&N Just installed



rotax
Dodge Dakota
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2/09/2002
13:42:06

RE: Synthetic Oil Difference!!!
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Hey CW : I see in your profile you removed the third cat, what effect did that make to your overall performance , Milage and does it void the waranty . Or does it just sound better.
Thanks
Rotax:

01 QC v6 homebrew K&N Just installed



CW
GenIII
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2/10/2002
01:32:14

RE: Synthetic Oil Difference!!!
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Sounds much better and lets the engine rev better. It really depends if your dealer is a a$$ or not to the warranty I am the dealer so I don't really worry about it. It should only mess with the exhaust and maybe the emissions warranty. I still have the third cat just incase.

2001 RC 4.7 5sp 9.25" 3.92 LSD
Ported 68mm throttle body, IAT adjuster, 3" flowmaster cat back, TPS @ .76V, 4" cold air, Roadmaster active suspention, Removed Third cat. Electric fan Convertion, Awaiting HO cams.
Working on adjustable fuel pressure with return.

rotax
Dodge Dakota
JOIN HERE
 Email

2/10/2002
09:01:57

RE: Synthetic Oil Difference!!!
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Message:
Thanks for the info CW, I see no need for that third cat and just wish i had a dealer like you a little closer to home, I do however ride sleds up in canada sometimes.
Thanks again
rotax

01 v6 QC New homebrew intake
Gonna Gut that cat



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