Re: [DML] Practical Delorean Valve Adjusting Procedures for the Novice
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Re: [DML] Practical Delorean Valve Adjusting Procedures for the Novice

Sorry, but the whole "rotate the engine a bit and pick a valve to 
adjust" is more than slightly hit and miss. There is a perfectly good 
procedure to follow:

To rotate the engine avoiding taking the exhaust off to access the 
crankshaft nut, the easiest method is to put the car in 5th and push it. 
On a flat surface, one person can do this. If it's an auto, then it is 
possible to rotate the engine using the alternator nut if you take out 
the spark plugs.

Whip out #1 spark plug and using a long screwdriver, find TDC. This 
corresponds to one of the marks on the crankshaft pulley. I recommend 
marking this notch with some bright paint. so as not to confuse with the 
other mark.

With #1 at firing stroke (both tappets have play), you can adjust

Inlet 1 Exhaust 1
Inlet 2 Exhaust 3
Inlet 4 Exhaust 6

With #1 on the rock (#1 valves have no play)

Inlet 3 Exhaust 2
Inlet 5 Exhaust 4
Inlet 6 Exhaust 5

As for sealing the covers... I've long ago stopped using any kind of 
rocker cover gasket. I just use silicone, on clean surfaces (wiped with 
brake cleaner to remove any oil) and I have never had any problems with 
leaks afterwards.Compressing the gaskets evenly is a royal pain, whereas 
sealant just snugs down and a quarter of a turn later on all the bolts 
and they're safe (handily because sealant gets onto the bolt threads too 
making them effectively shake-proof!). Do be sparing with the sealant 
though as you don't want any great globs of the stuff escaping into your 
oil passages!

Renault assembled all the late engines with sealant instead of gaskets.


mike wrote:

>would like to share my experience and what I recently learned about adjusting
>Delorean engine valves. My valves were tapping so it was time to go in for some
>adjustments.  My patient mentor and advisor
>was David Teitelbaum.


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