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3.5 Cam, Heads, Timing Chain, Springs

Tech Talk for Rover owners.

Moderator: Micka

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Joined: Fri Aug 04, 2006 3:28 pm

3.5 Cam, Heads, Timing Chain, Springs

Post by CountyV8 »

I am currently in the midst of partially rebuilding the 3.5L in my County and I need some advice .

The motor has done 215 thou km and has a least one burnt valve or sticking lifter.

I will be putting a new cam and timing chain in whilst the heads are off and I would like to know what brand of camshaft and timing chain the brainstrust recommends??

It is worthwhile getting one with more lump on it to compensate for the LPG decrease in power ??

Can anyone recommend a head specialist that I can get the heads reco'ed in South Eastern Melbourne?? Price ??

Any other info or advice is always appreciated from anyone who has done this before.

The county has good KONI shocks that are fine but the springs are quite sagged so what brand do I get ??


Thanks
wes
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Joined: Tue Sep 06, 2005 6:16 pm
Location: Melbourne

Post by RangingRover »

I'm running a crow cam in my 4.6, which is supposed to be good from 1,000 to 3,900. seems to pick up a bit later than that, but goes very well....
84 Rangie, 3 inch spring lift, 2 inch body, Megasquirted 4.6, R380, rear Maxi, 34x11.5 JT2s. Simex FM installed.
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Joined: Sun Jan 11, 2004 11:36 am
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Post by Mark2 »

You can get special 'LPG grind' camshafts - something to look into.......
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Post by CountyV8 »

I've just removed the heads and taken the cam and lifters out.
The heads look?? ok but the 1st lobe on the camshaft has totally dissappeared and the lifter is now dished on the face. Rest of the cam is normal wear.

Is this a common fault ??

Any advice
'85 County v8
'80 ex-Army series III
'69 kingswood
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Location: yinnar south

Post by mopar rangie »

give Crow a ring or check out their web site.they will point you in yhe right direction.
smooth rides with power
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Post by RangingRover »

that sort of cam wear is common with stock rover cams - mine was completely missing the number 8 intake lobe in exactly the same way you've mentioned.
84 Rangie, 3 inch spring lift, 2 inch body, Megasquirted 4.6, R380, rear Maxi, 34x11.5 JT2s. Simex FM installed.
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Posts: 569
Joined: Sun Jan 11, 2004 11:36 am
Location: Sunshine Coast QLD

Post by Mark2 »

CountyV8 wrote:I've just removed the heads and taken the cam and lifters out.
The heads look?? ok but the 1st lobe on the camshaft has totally dissappeared and the lifter is now dished on the face. Rest of the cam is normal wear.

Is this a common fault ??

Any advice
:cool: Good stuff - its going to go a lot better than it did before the teardown........
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