Search found 38 matches
- Sun May 13, 2018 8:10 am
- Forum: Engines Area
- Topic: Rover 4.6 main bearing caps, very tight?
- Replies: 15
- Views: 6539
Re: Rover 4.6 main bearing caps, very tight?
Took the block and caps to a v8 specialist. They think 2 and 3 caps got hot. They are going to investigate if it can be salvaged. So we shall wait and see. They have a couple of ideas as to how to sort it. Fingers crossed.
- Thu May 03, 2018 11:03 am
- Forum: Engines Area
- Topic: Rover 4.6 main bearing caps, very tight?
- Replies: 15
- Views: 6539
Re: Rover 4.6 main bearing caps, very tight?
Ahh crap. I hope that’s not the case. I called a local v8 specialist yesterday. I’m going to drop it off for inspection. He said that it doesn’t sound good but will check it over. If it is warped he said it can be repaired by line boring or similar and gave me recommendations of a company in Dartfor...
- Wed May 02, 2018 12:19 pm
- Forum: Engines Area
- Topic: Rover 4.6 main bearing caps, very tight?
- Replies: 15
- Views: 6539
Re: Rover 4.6 main bearing caps, very tight?
When the caps are fully in place you should be able to slide a 2-4 thou feeler gauge between the cap and the block just in the zone where the cross bolts go though without the cross bolt in place. This is ONLY on the starter side of the engine. On the other side of the engine there should be no gap...
- Wed May 02, 2018 12:18 pm
- Forum: Engines Area
- Topic: Rover 4.6 main bearing caps, very tight?
- Replies: 15
- Views: 6539
- Tue May 01, 2018 9:52 am
- Forum: Engines Area
- Topic: Rover v8 4.6 piston identification
- Replies: 3
- Views: 1814
Re: Rover v8 4.6 piston identification
Thank you. Ill fill them and see what i get.
- Tue May 01, 2018 9:05 am
- Forum: Engines Area
- Topic: Rover 4.6 main bearing caps, very tight?
- Replies: 15
- Views: 6539
Re: Rover 4.6 main bearing caps, very tight?
Caps are supposed to be interference fit into the block. It's like that to stop fretting failure particularly on cap 4 - common failure on 4.2 engines. In contrast to your analysis of 'I think the block is fooked' - it's not, it would be if they were loose though ! Phew good to know. Tried refittin...
- Mon Apr 30, 2018 4:38 pm
- Forum: Engines Area
- Topic: Rover v8 4.6 piston identification
- Replies: 3
- Views: 1814
Rover v8 4.6 piston identification
Is anyone able to identify these pistons? They came out of a 4.6, but im trying to work out what compression ratio they are as the engine number has been ground off.
- Mon Apr 30, 2018 11:12 am
- Forum: Engines Area
- Topic: Rover 4.6 main bearing caps, very tight?
- Replies: 15
- Views: 6539
Re: Rover 4.6 main bearing caps, very tight?
It was actually pretty easy, even with the ruined bearings. I know the crank will need a regrind so I think I’ll take it to an engine rebuilders and get them to have a look.
- Mon Apr 30, 2018 10:41 am
- Forum: Engines Area
- Topic: Rover 4.6 main bearing caps, very tight?
- Replies: 15
- Views: 6539
Re: Rover 4.6 main bearing caps, very tight?
This is what i had to resort to!!!
- Sun Apr 29, 2018 7:39 pm
- Forum: Engines Area
- Topic: Rover 4.6 main bearing caps, very tight?
- Replies: 15
- Views: 6539
Re: Rover 4.6 main bearing caps, very tight?
Finally got the last one out. Wiggles it until I could get some string under it, then suspended it off an engine crane by the string and continued to wiggle it. I think the block is fooked.
- Sun Apr 29, 2018 4:25 pm
- Forum: Engines Area
- Topic: Rover 4.6 main bearing caps, very tight?
- Replies: 15
- Views: 6539
Rover 4.6 main bearing caps, very tight?
Dear all, I recently picked up a 4.6 block and was looking to rebuild it, so started stripping it down. I don’t think it has been too well looked after. All the big end bearings were just about past it and looks like it has got hot. Started removing main caps but found them very difficult to get out...
- Tue Jan 30, 2018 7:36 am
- Forum: Engines Area
- Topic: Help - cylinder head torques again!!!
- Replies: 9
- Views: 4245
Re: Help - cylinder head torques again!!!
So the helicoils held? That was not my experience - mine just pulled out when the stud was torqued up. I had to go for a metal insert (what were used before helicoil - springs - were made). They worked really well where the helicoil did not. Garry Yeah helicoil was fine. Not sure it would have done...
- Mon Jan 29, 2018 5:32 pm
- Forum: Engines Area
- Topic: Help - cylinder head torques again!!!
- Replies: 9
- Views: 4245
Re: Help - cylinder head torques again!!!
All sorted now. Drilled out, helicoiled with a 3D helicoil. ARP studs fitted and head torqued up perfect.
Standard 1D (short) helicoil that comes with kit vs 3D (longer) helicoil
Standard 1D (short) helicoil that comes with kit vs 3D (longer) helicoil
- Sun Jan 28, 2018 7:19 pm
- Forum: Engines Area
- Topic: Help required diagnosing engine noise - with video
- Replies: 8
- Views: 2720
Re: Help required diagnosing engine noise - with video
I’ve just read and interesting thread on another forum where someone has almost identical symptoms. As part of the diagnosis process he swapped the left and right bank complete rocker assemblies and the noise went. Might also try that even for a short term fix to confirm it’s not a small end.
- Sun Jan 28, 2018 11:19 am
- Forum: Engines Area
- Topic: Help required diagnosing engine noise - with video
- Replies: 8
- Views: 2720
Re: Help required diagnosing engine noise - with video
Maybe 20/50 thick stuff? Not sure what is in there at the moment.