Dumb qustion about jeeps
Submitted: Tuesday, Jul 12, 2005 at 00:52
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Member - Davoe (Widgiemooltha)
Just wondering if the 4l motor in jeeps is the same as first seen in the vg valiant and last seen in the cm. Just sort of got a vision of one of them with an e49 cam and fuel injection sitting in a charger
Reply By: garrycol - Tuesday, Jul 12, 2005 at 01:10
Tuesday, Jul 12, 2005 at 01:10
Short answer is no - the valiant engine was all Australian and I don't believe Jeep had anything to do with Chrysler until much later.
Gazzz
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Follow Up By: Member - Davoe (Widgiemooltha) - Tuesday, Jul 12, 2005 at 01:20
Tuesday, Jul 12, 2005 at 01:20
did think of that, the vg was the most Australian family car ever built but I am pretty sure the 4l had american connections somewhere
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Follow Up By: TerryGLS - Tuesday, Jul 12, 2005 at 17:42
Tuesday, Jul 12, 2005 at 17:42
The Hemi 6 started off on the drawing boards in the US as a truck motor but as I understand they lost interest in it .Chrysler Australia was looking for a motor to replace the Slant 6 and they took over designing and development of what would become the Hemi.
The 4.0 litre 6 in the Jeeps was designed and built by AMC.When Chrysler brought AMC in 1986/87 they also acquired Jeep in the purchase and continued on with the Jeep range as it was.
And yes I am a Mopar fan... proud owner of a 1970 VG Valiant Hardtop with 265 Hemi.
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Follow Up By: Member - Davoe (Widgiemooltha) - Tuesday, Jul 12, 2005 at 18:57
Tuesday, Jul 12, 2005 at 18:57
So they are not the same motor? ex owner of a 1980 CM valiant 245 bored 60thou, waggot cam holley 350,
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Follow Up By: TerryGLS - Tuesday, Jul 12, 2005 at 20:34
Tuesday, Jul 12, 2005 at 20:34
Yep they are 2 different motors
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Reply By: Member Eric - Tuesday, Jul 12, 2005 at 08:03
Tuesday, Jul 12, 2005 at 08:03
Jeeps six , is the same engine since the 70's with changes like injection and further refinements
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Follow Up By: Exploder - Tuesday, Jul 12, 2005 at 18:32
Tuesday, Jul 12, 2005 at 18:32
Yeah that just didn’t get around to refining that oil leak that jeeps with the 4.0L seem to develop, good strong motor but
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Reply By: Member Boroma 604 - Tuesday, Jul 12, 2005 at 08:23
Tuesday, Jul 12, 2005 at 08:23
Have to agree with above, yes they are an older technology motor, that's not a bad thing in comparison to todays electronic management, had a couple of them very very reliable They continued to tinker with them right up till the straight 6 just departing. To the best of my knowledge the comparison with Valiant is the word "HEMI", they are still using that on the just released new model V8's and refers to the Hemi configuraion in the cylinder head, a design feature of the combustion chamber.
Cheers Boroma604.
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Reply By: Member - RockyOne - Tuesday, Jul 12, 2005 at 09:12
Tuesday, Jul 12, 2005 at 09:12
My understanding is that the Valiant motor will bolt up to the 4Ltr bell housing..Any takers?..RockyOne!MPG:7!
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Reply By: banjodog - Tuesday, Jul 12, 2005 at 12:08
Tuesday, Jul 12, 2005 at 12:08
Over the years JEEP have used a number of engines from various manufactures – Ford, GM, Chrysler, AMC and now Mercedes.
The 4.0L (258ci) straight six was the last engines that were used in the AMC cars before JEEP bought them out in the late ‘80s – e.g. – Rambler.
They are a good strong engine but were difficult to adapt the emission control components to in the early days.
Cheaper to use a known engine rather than redesign a new one for the Cherokee / Wrangler plus it suited the American market. It was the “don’t fix it if it ain’t broke” philosophy for the engine usage.
But I'm sure there are some hardened JEEP followers that will have a say.
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