What can you service through the round holes
Staying away from the FORD vs Chevy battle, owning only Chevy's though it would be interesting to comment on what you can service through the one/two round access panels on a Chevy engine cover. Not much, on the co-driver side the only use for the cover is to reach in for the block drain plug, useful if you are operating without antifreeze in below freezing temperatures. The drivers side round hatch as only one useful purpose to replace the number 6 and 5 spark plug leads that you pulled off in putting the cover over the engine. Now as to the doors they are a little more useful providing access to oil filler, and to the dip stick. Now think about it this was a major improvement over the Patter 11 & 12 cab design where it was necessary to go in the cab to check the level of the oil on the engine and then climb up onto the bumper open the access panel on the 11 or the hood on the 12 to add oil.
The only other use for the access panels and doors on the Chevy is to allow engine heat to escape into the cab. Now this is a useful feature in winter and I will admit to driving with both access doors open and the round covers removed when driving in very cold weather. (good reason not to have exhaust leaks)
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