10-17-2008, 12:39 PM #1
200 hrs - change valves or head gasket?
I have very close to 200 hours on my 2005 RXP, mods in signature. Ran great all year long, but since I am down for the winter, would it make sense to put in new valves or a new head gasket? Not looking forward to doing it, but would rather do it over the winter if needed ... input? Summer is so short in Michigan I try to do all reliability upgrades over the winter (did the flywheel bolts last winter among other things).
10-17-2008, 01:01 PM #2
10-17-2008, 02:04 PM #3
- Join Date
- Jun 2005
- rome ga
If you are running high boost you want solid exhaust valves. The 03-06 are hollow gas filled and will eventually fail especially if you run on the rev limiter.
Big cams and high rev ecu tend to hurt intake valves. Strongest lighest is a good approach.
10-17-2008, 02:06 PM #4
What about timing chain? when is good time to replace these
11-03-2008, 10:23 AM #5
Anybody? I am still debating about head gasket & timing chain replacement ... it does seem that most timing chain failures follow ceramic washers going thru the motor. If I do pull the head I will do valves and head gasket, just not sure if it is worth doing with my hours and setup. I have had the motor out, but have not taken the head off, is it a big/nasty job?
11-03-2008, 10:30 AM #6
11-03-2008, 10:30 AM #7
Its like changing the timing belt on a car, you might as well change the water pump even though its not bad while your in there just to be done with it.
11-03-2008, 11:33 AM #8
I have an 04 and modding it
I am putting new valves and headgasket , I have 140hrs
I seen engines with exhaust valves dropping here on 04/05, beleive me you dont want to know !!! SO PLEASE CHANGE THE VALVES !!!
11-03-2008, 01:10 PM #9
My summers are very short, so I prefer to do work like this over the winter. My main question was whether I tear it down even tho it is running great ... if I do, I will replace the valves, deck the head, new head gasket, etc. The camchain too if I can get that off without tearing the motor all apart. It sounds like it might be smarter to do this now rather than run it another summer and see if I have any issues ...
11-03-2008, 01:17 PM #10
- Join Date
- Dec 2006
- Crest Hill, IL
Just clicked 150 on my 04 yeaterday...it looks like it will be coming out this winter...
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