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  #21  
Old August 13th, 2015, 08:33 AM
ezzzzzzz
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Mark Garrenton
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Quote:
Originally Posted by Uncle Douglas View Post
anything worth doing is worthy of over doing Mark ?

3/4 impact LOL,
Yep! It beats the crap outta pulling shoulder muscles yanking a breaker bar. Thump, thump, thump and those bolts are free spinning.
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  #22  
Old August 13th, 2015, 09:15 AM
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Chris Davis
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I agree with Bill. I've rebuilt many rover motors and my 4.6 In the Defender I used ARP Studs. Been perfect, 80k miles later.

I also agree with pressure testing block. I've had both slipped liner and porous block. A slipped liner could be difficult to see if it was stopped while in position. Head gasket has some signs at times.

If you can't find anything obvious that caused pressure leak and vibration, I'd consider complete tear down and check up. It's out of the truck... Now is the time.

If it were me, I'd consider top hating the liners if it doesn't pass pressure test. I personally wouldn't consider using another used rover block that hasn't been pressure tested. Ever.
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  #23  
Old August 13th, 2015, 10:11 AM
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I'll give that a try, thanks.

Oh, and as recently as 2 days ago I was exchanging emails with Will on getting both new and used parts, so I believe he's still in the game.
That's good to hear--- I havent spoken with him in a few months(which is a long time for me!)
He's had a lot of other stuff going on but maybe he's going to keep a foot in the door.


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  #24  
Old August 14th, 2015, 08:43 AM
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That's good to hear--- I havent spoken with him in a few months(which is a long time for me!) He's had a lot of other stuff going on but maybe he's going to keep a foot in the door. .
I hope he does. The last MAR when he show in a Gwagon hurt a little. I want to see that hippie in D1 again.
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  #25  
Old August 14th, 2015, 04:56 PM
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So all but one head bolt off on the DS. Found that one is hidden under the alternator bracket. Is this normal?
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  #26  
Old August 14th, 2015, 04:56 PM
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yup.the original setup that bolt had a stud off the top of it and a nut to hold the bracket down.

Quote:
Originally Posted by Abrooks View Post
So all but one head bolt off on the DS. Found that one is hidden under the alternator bracket. Is this normal?
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Present:
1960 SII 109"- "Red Square"
1984 90 Tdi- "Yamelo"
1988 RRC- "Chewbacca"
1987 RRC- "Chewy 2"
2008 RRS SC- "The Supersofa"

Past:
1959 SII 88"- "The Little Green Beastie" last seen in NY
1972 SIII 88"- "GreenHELL" now in NC
1988 90 "Eric the Half a Bee" half a truck, sold for parts
1991 RRC- never got a name- long since recycled
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  #27  
Old August 14th, 2015, 05:13 PM
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Thanks, Dave.

For the record, some taps from a ball peen hammer per Crowther and a short 5/16 on a 2' cheater with a hi lift handle worked well.
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  #28  
Old August 15th, 2015, 03:43 PM
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Got the heads off (which necessitates removing the distrubutor, PS bump, AC compressor and brackets, etc). Despite the grunge, everything seems OK in that nothing stands out as being amiss. Both head gaskets look intact and the only variance amongst the pistons is that #4 (which had a normal compression reading) was slightly cleaner than the others. I suspect that it could be due to the fact that the center lower head bolt was only slightly more than finger tight.

Off to the machine shop Monday!
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  #29  
Old August 16th, 2015, 07:35 AM
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Which machine shop are you headed to?
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  #30  
Old August 16th, 2015, 07:37 AM
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J&F on four mile run in Arlington.

Any thoughts on replace or cleaning rocker arms?
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  #31  
Old August 16th, 2015, 08:36 AM
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Quote:
Originally Posted by Abrooks View Post
J&F on four mile run in Arlington.
All great automotive feats can be solved on 4 mile run, the closer you get to Weenie Beenie the better!
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  #32  
Old August 18th, 2015, 07:11 AM
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#8 con rod looks straight, can't see any obvious wierdness now that I have the bottom end exposed. Next is to see what the shop says.
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  #33  
Old August 18th, 2015, 08:18 AM
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Mark Garrenton
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I'd pull it to have the assembly checked and view the bearings too. Those damn rod bolts are known to gall when removing them. Just crack both slightly loose and remove a bit at a time on either side, by hand, to hopefully avoid issues. Stupid old Buick engine design. After all these years a better mouse trap should have been implemented.
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  #34  
Old August 18th, 2015, 08:39 AM
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With 110K estimated on the motor (3K on cam and lifters), is a complete tear down really necessary? I'll chat with the shop, but at some point I need to say "when".
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  #35  
Old August 18th, 2015, 11:32 PM
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I would want the block at least to be pressure tested at running temp.
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Present:
1960 SII 109"- "Red Square"
1984 90 Tdi- "Yamelo"
1988 RRC- "Chewbacca"
1987 RRC- "Chewy 2"
2008 RRS SC- "The Supersofa"

Past:
1959 SII 88"- "The Little Green Beastie" last seen in NY
1972 SIII 88"- "GreenHELL" now in NC
1988 90 "Eric the Half a Bee" half a truck, sold for parts
1991 RRC- never got a name- long since recycled
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  #36  
Old August 19th, 2015, 05:10 PM
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Quote:
Originally Posted by Abrooks View Post
J&F on four mile run in Arlington.

Any thoughts on replace or cleaning rocker arms?
Pete is a great guy to deal with...

J and F Motors
4064 S Four Mile Run Dr
Arlington, VA 22206
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  #37  
Old August 19th, 2015, 05:33 PM
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Pete is working on the heads now. He and I had a long chat today about 4.6 blocks.
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  #38  
Old August 19th, 2015, 08:33 PM
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He and I had a long chat today about 4.6 blocks.
You have to share what you learnt!
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  #39  
Old August 21st, 2015, 04:49 PM
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I've gone ahead and dropped off the intake manifold, rocker assemblies and valve covers to get dipped. Valve stem seals should arrive early next week so with any luck reassembly can begin next weekend.
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  #40  
Old August 26th, 2015, 12:38 PM
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Dropped off the valve stem seals today, heads and intake have been dipped and blasted, heads need to be lightly milled but pressure tested fine. Valves will be lapped tomorrow.
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