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New cylinders?
Can you put 3.0 clyinders on a 2.7 7R case...
If so can you add the 3.0 heads? What are the problems associated with it..... I know its cheating but hey you cant blame a guy for trying can you? |
If I'm not mistaken I believe the head stud spacing is different, so it's not possible.
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Anything is possible, but the kind of welding and machine work required to do it would make Jerry Seinfeld's pocket book quiver. Well, not REALLY, but it isn't worth going down this path.
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Some of you young guys who were wearing diapers in the '80's need to know what was available in the old days...:)
Mahle did in fact make a 95mm piston/cylinder conversion kit specifically for the 2.7L engines to make 3.0L in displacement, with piston domes available for both MFI/Carbs as well as CIS. Case spigot bore had to be increased to 100mm to use them.. ;) The Mahle 93mm (for 2.9L) pistons/cylinders were found to be more reliable and less costly due to no case machine work necessary (case bore was still 97mm) except for casesavers. Some engine builders believe that they're still over the edge and one really shouldn't go over 92mm with the 2.7L case. If you look hard enough and really want to pursue it, you might find a set of 95's specifically for the 2.7L (for a 3.0L) or 2.4L (to make 2.8L) but caveat emptor... Ralph |
Too funny!!
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Those 93's don't stay round when hot and you can see that in the leakdown figures. IMHO, 92mm ones should be max on any 2.4 or 2.7 case. |
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Lack of mass combined with a lot of heat is what makes all thin-wall cylinders lose concentricity at operating temperature. The Mahle 92's are OK (I use them), but not as thermally stable as the 90mm ones. Charlie's Nickie's might be better in this regard but one must use an aftermarket piston unless you are fortunate enough to have some Mahle's laying about. :) |
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