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McyMike
Dodge Dakota
JOIN HERE
3/31/2003
10:20:36
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 Subject: NO BS - 180 T-stat /plugs
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Will installing the 180 T-stat and colder Autolite plugs reduce my gas mileage? I would like to gain performance (to use when needed) but not at the expense of lower mileage every day. For those that have done it - what did you notice?
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afi360
R/T
3/31/2003
13:38:00
|  RE: NO BS - 180 T-stat /plugs
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Message:
180 t-stat and plugs will do nothing but help your gas mileage/performance. dont expect to be thrown back in your seat, but it will help you out a little...good luck.
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Fubar512
GenIII
3/31/2003
14:01:05
| RE: NO BS - 180 T-stat /plugs
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Message:
If you're experiencing pinging under light throttle, you may gain a bit of a milage improvement by going that route.
I went to the Autolite 3923s and the 180 degree Tstat, and noticed improved driveability, and a total elimination of ping, on my '99 5.2 CC auto.
I then tried the KRC timing advance mod, whiich involves modifying the crank sensor's mounting ears, and even with the timing adavanced to the max setting, I can still run 87 octane with no pinging.
I believe the timing advance mod gave me a slight improvement, to the tune of .3-.5 mpg overall, while the plugs and Tstat probably did little, if anything, by themselves, other then improve drivability.
Confucious say: Any man can pee on wall. Be a true hero and crap on ceiling! I've tried being a hero once too often...
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McyMike
Dodge Dakota
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3/31/2003
15:52:16
| RE: NO BS - 180 T-stat /plugs
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Message:
No pinging on the 2003 4.7 4x4 with 87 gas. If the mod gives me same mileage plus a little more performance, I'll do it, however, worse fuel enconomy is not an option. Appreciate the straight scoop and advice.
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jeremiah2360
Dodge Dakota
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3/31/2003
17:01:11
|  RE: NO BS - 180 T-stat /plugs
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Message:
i put in the 180 t-stat and bosch plat +4-4418s removed clutch fan and installed flexalite thermostatic switch (clutch fan going back on in summer towing 4000#s on wknds)using amsoil sythetic oil(at 10k everything will be amsoil) 360 airintakez kool shot on the way.
went from a horrid 13-14 mpg to 15-17 mpg in mixed driving. after 13-14,15 is great after kool shot and switching completely over to syntheyics if i could average 16 i would be very happy.
03 qc 4.7 auto 5800 miles
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Vince
Dodge Dakota
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3/31/2003
23:44:19
| RE: NO BS - 180 T-stat /plugs
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Message:
I don't think you will notice a loss of mileage. I did the mods on my '02 4.7, and I didn't really notice much of anything- power or mileage. It just makes it a little better compared to the guy in the lane next to you in the same temperature conditions. I have changed out the stat and plugs on my last three dakotas. Just one of those cheap things that is worth it. You will only actually run 10-15 degrees cooler before the engine reaches operating temperature, which is above 180 anyway. The 180 stat opens sooner than the 195, and keeps your engine (maybe) 3-5 degrees cooler on a normal 80 degree day. This isn't enough to affect your gas mileage. On a normal 120 degree day here in Phoenix, it does even less.
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