rebuilding a 4.2 for 110 - Defender Source
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  #1  
Old January 16th, 2014, 06:14 PM
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rebuilding a 4.2 for 110

Has anyone made a detailed list of rebuild parts and procedures to rebuild a 4.2 engine ? I have not rebuilt an engine in 14 years. and I want to make sure that once I rip it down and start rebuilding with new rings and bearings, and cam lifter and followers I don't for get something vital. ( anyone carry rebuild kits that are all inclusive with gaskets seals etc ? I'm hoping the cylinder walls / sleeves wont need replacement. Getting the 4.2 out of a 1993 LWB
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  #2  
Old January 16th, 2014, 06:22 PM
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How many miles on the 4.2?

Is it currently running?

If you're really getting into it deep and buying a lot of stuff, I would hit up Will Tillery(540)462-7353 or P.T. Schram-I think he is still selling parts....

Will also sells used parts.
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  #3  
Old January 16th, 2014, 06:34 PM
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J. Michael McCaig
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It's just like rebuilding an American V8 and any good machine shop should be able to help with any machine work needed. Besides from your favorite LR parts places check out D&D Fabrications at aluminumv8.com. They specialize in Rover/Buick V8's and have all kinds of engine rebuild parts including performance upgrade goodies and have been in business for many years. They are very knowledgeable and were a great help to me when I built my 4.6.
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Old January 16th, 2014, 07:38 PM
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Oh yeah, D&D (Mark, I think?) is another good source.
I bought a camshaft/lifters/pushrod set for my 4.2 and another set for my 4.6 from D&D.

http://aluminumv8.com/
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Old January 16th, 2014, 07:40 PM
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x3 for D&D. Although for the cost of rebuilding a Rover V8, I would be building a 4.6, not a 4.2...
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Old January 16th, 2014, 07:59 PM
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Quote:
Originally Posted by Jymmiejamz View Post
x3 for D&D. Although for the cost of rebuilding a Rover V8, I would be building a 4.6, not a 4.2...
Saw your yellow buggy @ Drews. Looked pretty cool. Really liked the customs dash
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Old January 16th, 2014, 08:07 PM
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Saw your yellow buggy @ Drews. Looked pretty cool. Really liked the customs dash
I wish I could take credit for that, but the dash was one of the main reasons I bought that truck.
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Old January 16th, 2014, 09:12 PM
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don't forget the wedge shop and TA performance. I think either of them are more knowledgable than D&D on the topic of non stock engine rebuilds.
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Old January 16th, 2014, 10:56 PM
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custom dash we need photos
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Old January 17th, 2014, 07:22 AM
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custom dash we need photos
Unfortunately its also not a Defender. Whoever did the dash did a nice job though.



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  #11  
Old January 17th, 2014, 08:07 AM
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If I recall, and this knowledge is a few years old, pistons are pretty much unobtanium for 4.2. STC1191 (standard or .020 over) shows up in a few catalogs, but if you actually order them they are out of stock. Craddocks shows them at 87.53 (S) and 143.60 (.020) each. You may have better luck than I did. Maybe your pistons are OK. Maybe you can find new pistons, who knows.
Everything else is pretty much interchangeable with 3.9 (except crank of course). Don't buy Britpart.
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Old January 17th, 2014, 09:39 AM
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4.6 engine rebuild parts easier or harder to find ?
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  #13  
Old January 17th, 2014, 10:45 AM
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Originally Posted by Jymmiejamz View Post
Unfortunately its also not a Defender. Whoever did the dash did a nice job though.




When did you get that RR Jimmy?
And why?
You never wheel anymore....or bbq/cookout for that matter...


.
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  #14  
Old January 17th, 2014, 11:07 AM
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Turners in the UK carry a lot of V8 stuff.

Lots of V8 pasts

or short blocks
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  #15  
Old January 17th, 2014, 11:58 AM
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When did you get that RR Jimmy?
And why?
You never wheel anymore....or bbq/cookout for that matter...


.
Haha I know! I'm selling it as soon as I finish up a few things on it. I bought it a few years ago from a guy on Dweb, but it had Rover axles and small tires when I got it. It was a 3.5L carbed V8. Now it is sporting some FZJ80 axles and a GEMS 4.6L.
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