"Jim Hall" <jimfoo@qwest.net> wrote:
>I imagine it is also responsible for #3 & #4 header pipes glowing a dull
>orange in the dark? Sloppy valves=exhaust leaking past valve?
Right...fuel/air mix is being partially expelled during the compression
stroke and is actually combusting in the header rather than within the
confines of the cylinder.
The machinist I took the head to for resurfacing said I had less than a
dozen miles before *catastrophic* failure as a result of the wedge-shaped
crack in #4 exhaust. Timing is everything.... ;-)
Cheers
*----jeep may be famous, LAND-ROVER is Legendary----*
| |
| A. P. ("Sandy") Grice |
| Rover Owners' Association of Virginia, Ltd. |
| 1633 Melrose Pkwy., Norfolk, VA 23508-1730 |
|(O)757-622-7054, (H)757-423-4898, FAX 757-622-7056 |
| www.roav.org |
| (original owner) (pre-production) |
*----1972 Series III------1996 Discovery SE-7(m)----*
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