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OvalAutos
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Member Since: 02 Jan 2019
Location: Cradley Heath
Posts: 31

United Kingdom 
That's a first for us

In all the years and hundreds of TDV6 engines we've stripped down, this is the first time we've ever come across studs being used instead of bolts. Shocked



Is it any wonder the main bearing caps were flopping around in the block, allowing all the bearings to spin.

. .

Joe

Those in the know, know. Those that don't know, just need to ask.
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Post #588423 Fri Oct 11 2019 8:29am
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aaronjb



Member Since: 26 Jun 2019
Location: Northampton
Posts: 88

United Kingdom 2010 Range Rover Sport TDV8 HSE Santorini Black

Strange - studs are almost always used as an upgrade vs bolts when building high performance engines; they allow a much higher clamping force as the stud is only deformed along one axis (length), while a bolt has to be deformed along two axes (stretched along its length and twisted around its core) to provide the same clamping force..

Of course, as far as I know, ARP don't make a stud kit for JLR engines (at least I can't find one in their catalogue) and studs made of Chineseum-alloy will be much worse than OE bolts.. 2010 RRS TDV8, 2006 BMW 650i, 2007 Mini Cooper S
The TDV8 "replaced" a 2014 Ford Ranger .. I still miss the Ranger.

Post #588427 Fri Oct 11 2019 9:37am
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OvalAutos
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Member Since: 02 Jan 2019
Location: Cradley Heath
Posts: 31

United Kingdom 

The problem here is that they are too long. The head of the bolts are just protruding past the surface where the sump mates up, like this.



Because they are so long, whoever did this had to remove the splash guard in the sump and even had to cut one of the studs to stop it fouling.

. .

Joe

Those in the know, know. Those that don't know, just need to ask.
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Post #588430 Fri Oct 11 2019 10:31am
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aaronjb



Member Since: 26 Jun 2019
Location: Northampton
Posts: 88

United Kingdom 2010 Range Rover Sport TDV8 HSE Santorini Black

Ah, see .. now I see the problem! Laughing

Previous receipts from Bodgitandscaper Garages Ltd? Rolling with laughter 2010 RRS TDV8, 2006 BMW 650i, 2007 Mini Cooper S
The TDV8 "replaced" a 2014 Ford Ranger .. I still miss the Ranger.

Post #588432 Fri Oct 11 2019 10:57am
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