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Date Posted: 15:21:29 08/01/02 Thu
Author: Janaelen
Subject: Re: 93 Diamante Valves & Head Gasket
In reply to: Amlan 's message, "93 Diamante Valves & Head Gasket" on 07:58:22 07/30/02 Tue

>My 93 Diamante is using up a little oil..1/2 quart in
>600 miles.
>
>1. I took it to the dealer and they could not find any
>leaks. So, they advised me to change the stem seals
>and the valve guides and quoted me $1500.
>My diamante does not smoke at all.
>
>2. I then took it to Pep boys and they did a oil leak
>test using a dye. They said that the head gasket was
>leaking and the valves were okay. They said the repair
>would be around $1500
>
>My dilemma is that I dont know who to believe, or do I
>get both of the above done OR do I need to rebuild the
>engine OR put in a already rebuilt engine OR get rid
>of the car.
>The car is worth about $3500 and has 118000 miles on
>it.
>It does ride as smooth as silk though and gives me
>good fuel mileage.
>
>Any advice would be gratly appreciated. Thanks a lot
>in advance.



At that mileage, our 6g72 motors are bound for head problems. I'd suggest getting a rebuilt set of heads(if you want to keep the car stock) and do the work yourself. I spent ~$900 in parts and did the labor myself(rebuilt set of heads, gaskets, timing belt and fluids). My car felt completely different after everything was said and done. It had ~ 136k on it at the time I replaced the heads, it was smoking and had VERY poor performance and fuel economy, with a irratic idle.

After everything was done, the car was idling smooth, fuel economy was ALOT better and no smoke or burning oil. In all honesty, the car runs great! From what I've seen and read, our D motors are bound for head work @ ~100k. (BTW, I have an ES with the SOHC motor, DOHC motors will run a little more for rebuilt heads).

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