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perf-list-digest Monday, January 24 2000 Volume 03 : Number 021
Ford Truck Enthusiasts - Performance
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In this issue:
- ----- Original Message -----
From: George Miller lv.rmci.net>
Sent: Tuesday, January 18, 2000 8:02 PM
Subject: Re: FTE Perf - RE: 429/460 heads (hardened seats)
> I still can't find anyone who has experienced a failure from unleaded
> fuel eating up the seats on a 385 series head. I put over 45,000 hard
> miles on one set running nothing but unleaded gas without hardened seats
> and, upon tearing them down, couldn't see any deterioration. I've spoken
> to several people with a lot more hard miles than that on those heads
> who haven't had problems. There are still a bunch of old 429/460 'Birds
> and Lincolns still running with the original motors and leaded gas
> hasn't been available to the consumer in a long time. Machinists tell me
> it happens; they also tell me it's not a major problem. I don't mean to
> start an argument and I'm pretty concerned about quality when it comes
> to my toys but I sure would like to hear a first-hand story about a
> failure on the 385 heads from running unleaded gas without hardened
> George Miller
I cannot say that I have actually seen a failure first hand myself... I
think the concern is that the seats may actually start to melt, as well as
deteriorate. I just figured that while I had the heads in the machine shop,
$65 for a little insurance was reasonable!!
== FTE: Uns*bscribe and posting info http://www.ford-trucks.com/faq.html
End of perf-list-digest V3 #21
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