| [GMCnet] Re: Tips for installing engine vents. [message #364678] |
Mon, 14 June 2021 01:54  |
BobDunahugh
Messages: 2465
Registered: October 2010
Location: Cedar Rapids, IA
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Senior Member |
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Scott. I see very little value due to location, and small size. Data can be had simple. Some ribbons taped to the vents. Then have someone in the passenger seat take some temps around that area while driving. If the ribbons stand out from the vents. Then you have good air flow. If the ribbons just flutter next to the body. You have ZIP for air flow.
To me. That money on the vents. Would be better spent on a fan shroud. Like the one GM installed on all 403 equipped GMCs. I should be quiet on this. But the GMC that I just got for our daughter has them. Never knew how small the hole is.
I pull a 24 ft enclosed trailer. With a shop/car in it. My GVW comes in at around 24,000 lbs. ( It's been to some GMCMI events that way. ) With a 403 that's bone stock as to cooling. It never gets over heated. Even in Lake Havasue City Az. In July at 114 degrees. With the A/C on high.
Bob Dunahugh
78 Royale since 2003
4 COPO Yenkos
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