cowl vent help please
I know mine is stock for 51 and was NOS when I bought it to install (none there wne I bought the truck). But no doubt the theads on mone and in the parts manual specify #8-32
Mine on the 49 is different from the pic too, it does'nt have the channel under the cover either!
I went and filled and smoothed the cowl vent. I had mean feelings toward the way it performed in stock configuration.....
I looked up the Cowel Vent assembly in a different manual and this is what I found.
First, there is only one part number for the cover from 48-52 (7C 8102133-A) which supposedly negates a change between years. Again I think the covers were modified during the production run to incorporate improvements - like being able to install and remove the cover by just loosening the bolts (instead of having to remove them completely) and sliding the cover to the side. Or, different plants (Windsor in Canada for example) may have had a different design using the tooling from auto vents or something - whatever!
But also here's another tweek! This manual shows the four bolts as being #10 - 32 x 3/8!!!!! And I'm sure that those are the correct ones shown in the picture in this manual.
When I measured mine last night they were #8s go figure.
So, kiwi, if you are ordering bolts and nuts, order both #8 -32 x 1/2 and #10 -32s x 3/8 and both 8-32 and 10-32 nuts!
Inconsistant and non standard production and inconsistent and non standard documentation!
PS take a look at my company web site www.hawkesbayengineer.co.nz theres more recent pic's etc of my 56 and other restoraion work i have done for customers Kind regards to all, Kiwi.
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PS take a look at my company web site www.hawkesbayengineer.co.nz theres more recent pic's etc of my 56 and other restoraion work i have done for customers Kind regards to all, Kiwi.
At the edge of the channel, from the surface of the vent lid down to the outside surface of the channel on the corner was 3/8 inch. In the middle of the channel is 1/2 inch.
Because the cover is slightly convex (taller in the center), I would imagine in the center we would get the extra 1/8 inch to make it 5/8. You can see that curvature in my pic. The top edge of the channel is curved and the bottom - mating surface to the frame - is flat.
I will get my wife to see if she can sort out what i'm doing wrong!! as she is more pc literate than me.
Regards kiwi.




