<VV> CHT

[UltraMonzaWest at aol.com]

In a message dated 10/26/2005 10:39:03 AM Pacific Daylight Time, pp2 at 6007.us 
writes:

> Took first extended drive last evening (about 30 miles/55-70 mph) and did 
> not see much change in CHT. #2 plug was reading 280-300F and #5 260-280F. 
> Doors are removed but lower shroud is on. Starts easily but wants to idle 
> for a minute or two before happy about going into gear. 60F weather.
> 
> Are these temperatures normal ? Am thinking about putting the doors back on 
> but only found one reference (in Bob's book) to opening temperature - 205F. 
> Also the 140 "stock engine test" does not seem to mention any cylinder head 
> temperatures, all I have found are deltas. What is the normal CHT ? I have 
> not seen over 300F as yet.
> 
> Back at the stock engine test. In the front are photographs of the test 
> rigs. One on page 10 clearly shows a cooling fan with over 20 vanes on a 
> four carb engine. Anyone know what is going on ?
> 
> Padgett
> 
> 
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Those temps sound right for sparkplug hole reads....Thermister in in a hole  
directly behind combustion chamber [ try to drill a 110 head for a 
thermister...and you drill thru to the chamber! /  ran one that way for 13k miles!  gggg

Not one to use books / manuals.....I'd always heard that engine 
Dyno tests were done without

Fan, mufflers,  alternator.......

This must've been a "better idea"  that went south...$$$  or design...



Matt Nall / Patiomatt / WCUH / Mr. DeckRug
69 Monza Cpe., 66 Monza vert, 65 Crown v8 Cpe.
Somewhere between Reno, NV and Coos Bay, Or.