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#1 | ||
Regular Member
Join Date: Sep 2009
Location: Berridale NSW
Posts: 210
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Hi all
Just bought an AU2 XR8 and it sounds like at least one lifter has seen better days (still to confirm). I was surprised when researching how much a set costs! Would anyone warn me away from something like this: https://rover.ebay.com/rover/0/0/0?m...2F400280872029 Cheers in advance for the input |
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#2 | ||
Donating Member
![]() Join Date: Jun 2007
Location: Checking out soft furnishings....
Posts: 8,701
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For how cheap you got that XR8 I’d be putting some decent lifters in it. Hopefully that fixes the issue and if not it’s not a huge deal for how cheap you got it. Good pickup mate.
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#3 | ||
Regular Member
Join Date: Sep 2009
Location: Berridale NSW
Posts: 210
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It would appear you have me at a disadvantage fordomatic
To whom am I speaking? |
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#4 | |||
Donating Member
![]() Join Date: Jun 2007
Location: Checking out soft furnishings....
Posts: 8,701
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Quote:
Don’t skimp on cheap lifters, get some good ones. You will probably find it’ll be as quiet as a mouse once it’s done. New tires, exhaust and it’ll be good for rego. |
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#5 | ||
FF.Com.Au Hardcore
Join Date: Apr 2012
Location: Adelaide
Posts: 2,802
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FPR lifters will be perfect and their cheap
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Current Car: 2002 AUII LTD 408ci Windsor, T6 S488, TH400, 2 Piece Shaft, Helicial LSD 3.23 IRS Daily: 1998 Mitsubishi Super VR-4 Legnum |
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#7 | |||
RIP...
Join Date: Dec 2004
Posts: 15,524
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Quote:
Those lifters are good, and pretty much what's in there from new, can go 1/2 mil k's trouble free. These are slightly better and can be revved a bit harder, but not really needed - M-6500-R302H. As someone else mentioned, it could also be a broken valve spring, and is actually more likely.
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. Oval Everywhere... |
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#8 | ||
Regular Member
Join Date: Sep 2009
Location: Berridale NSW
Posts: 210
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Cheers XC. Valve covers off is the first step and have a good look around. Still drives ok so hopefully nothing major
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#9 | ||
Regular Member
Join Date: Sep 2009
Location: Berridale NSW
Posts: 210
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Thanks Sox, I did find those H lifters later last night, probably worth the minimal extra spend, bit of insurance for future upgrades
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#10 | ||
FF.Com.Au Hardcore
Join Date: Jun 2005
Location: Brisbane
Posts: 1,029
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Since talking about lifter replacement, does anyone know where I can get the procedure for lifter replacement and proper adjustment of the rockers. Manual I have is the same as on the Tech Resources. Just shows SER1, and I'm looking for the 220 motor.
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#11 | |||
RIP...
Join Date: Dec 2004
Posts: 15,524
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Quote:
The replacement procedure is the same as any AU Whinger. The RR's bolt on the same way as the stockers, no adjustment.
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. Oval Everywhere... |
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#12 | ||
FF.Com.Au Hardcore
Join Date: Jun 2005
Location: Brisbane
Posts: 1,029
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I've got Crow 5300H lifters which are supposed to be a replacement for the original lifters.
To tension down the rocker bolts (30Nm), what position does the crankshaft have to be at. Thinking TDC would not be right as the pushrods would not be at the lowest point of the cam lobes, but maybe this does not matter as the lifters are hydraulic. Do the exhaust and inlet have to be tensioned at different positions. Thought they had to turned down about 3/4 of a turn after tension reached. But maybe I'm thinking if single rockers. Also thinking of doing the springs as well ( got a set of Crow replacement). Anyone recommend a good spring compressor. Found one in US (LMT) but not sure which one I need. Sold here at Outlaw Speed Shop and are around the $380 mark Have not replaced lifters before, that's why the questions.
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#13 | |||
RIP...
Join Date: Dec 2004
Posts: 15,524
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Quote:
If the height is slightly different, then you might need to farnackle around with shims. Wind them down about 0.030" preload. TDC is is what you want, otherwise you won't get the lifters out on the corners. Grab one of these for the springs - https://www.ebay.com.au/itm/Universa...VXkl:rk:2:pf:0
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#14 | ||
FF.Com.Au Hardcore
Join Date: Jun 2005
Location: Brisbane
Posts: 1,029
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Just pulled off the rockers and pushrods and found a problem.
The rocker on No3 exhaust was loose. When rocker removed the exhaust pushrod came out with it. It seems the cup that the pushrod sits in has been pushed into the rocker arm, giving it the excess movement. Pushrod end is marked. pictures of the rocker and pushrod ![]() ![]() ![]() ![]() Is this a known problem with these rockers or am I just lucky!!
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#15 | |||
RIP...
Join Date: Dec 2004
Posts: 15,524
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Quote:
It's happened before. Just chuck another rocker and pushrod in. Some say they YT's are crap because of it, but that's a load of bollocks.
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#16 | ||
FF.Com.Au Hardcore
Join Date: Jun 2005
Location: Brisbane
Posts: 1,029
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I've got another set of YT rockers in the shed but they seem to have a bit of what appears to be pitting on the roller for the valve. Is this a problem or ok to use. If a problem, can the pin that holds them on be removed and use the roller from the faulty one.
What pushrods would be the best to use.
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#17 | |||
RIP...
Join Date: Dec 2004
Posts: 15,524
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Quote:
Minor pitting may not be a problem. They can be knocked out easy though, but only one way as one end is splined. Just use stock pushrods.
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#18 | ||
FF.Com.Au Hardcore
Join Date: Jun 2005
Location: Brisbane
Posts: 1,029
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Thanks for the info.
much appricated
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