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Preventative/Proactive maintenance @20 yrs old

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Old Yesterday | 07:13 PM
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Default Preventative/Proactive maintenance @20 yrs old

After throwing a drive belt on a recent spirited drive and being left stranded, I figured it's likely time to tackle a bunch of preventative things on my 2007 z06.
I made a quick punch list and was hoping this could be helpful to others, or chime in on what else im missing that could be a good idea.
I daily drive it in summer and hit the track for a few HPDE as well - nothing too crazy, so all OEM+ philosophy here.

1) Serpentine Belt
2) A/C belt
3) All associates pulleys & tensioners
4) Alternator - mechman 250 (tolerates higher engine heat better)
5) DRM Bilsteins
6) Water pump to the OEM 2009+ style, and new OEM hoses/thermostat
7) Dewitts radiator (all aluminum, no plastic end tanks that can degrade over time)
8) AMT engine mounts (not leaking oil on degrading rubber OEM mounts)
9) Trans mounts, maybe Hinson (not as soft as OEM but not as severe as AMT)
10) SS brake lines

Considering non OEM harmonic balancer + front crank seal, but unsure if this maybe overblown "issue" like in my opinion the heads are.

Also considering DEI heat shields to the trans tunnel to help mitigate in cabin heat, but worried it will delaminate over time.

Last edited by And1bbaii7; Yesterday at 07:27 PM.
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Old Yesterday | 07:53 PM
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Originally Posted by And1bbaii7
overblown "issue" like in my opinion the heads are
Suit yourself.

If I were looking to spend a bunch of money on 20-year preventative maintenance and it was an LS2 I'd consider pulling the heads (to change the lifters). On an LS7, I definitely would.
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Old Yesterday | 10:38 PM
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I think literally none of that is necessary. Arguably, the parts you have on the car now are higher quality than the Chinese crap you can buy now in most cases, and so you'd be downgrading in reliability.

YMMV, but I'd inspect the belts and mounts and only replace if they showed signs of wear.
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Old Yesterday | 11:43 PM
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20 years is quite awhile. One factor missing would be mileage.

A car with 1200 miles could be slightly different than a car with 112,000 miles on it.

But, if you "daily" it and some HDPE's during Summer months, than it's a decent assumption that you're closer to the 112,000 figure that the 1200 figure, percentage wise.
Add:
Plugs & wires.
All fluids. All of 'em.
HB
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