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Old 04-29-2021, 01:08 PM   #78
Rich72C10
Mr. Cheyenne

 
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Join Date: Jun 2020
Location: Kyle, Texas
Posts: 1,643
Re: Hard Starting Hot

Ran the truck up again for 10 minutes in the garage. This time around after ~15 minutes of being shut off the bottom of Carb bowl got to the same ~125 but the top of the bowl got to 120. Carb Base plate to Manifold still ~135.

Now I did this since after my 1st run I started her up at the end, zero problems. After my 2nd run where the whole bowl was at least 120 I tried again, started right up.

So either I need to drive around normally and not just garage idle but I would think heat is heat (by idling or driving). I also have a ambient temperature of 72 outside but that is not the temp in my garage now after the truck running.

Last bit could be that the STA-BIL 360 has started to help? I filled up and put my measured amount for my tank on Tuesday afternoon. I only driven about 10 miles before my garage test a bit ago (I didn't drive her at all yesterday).

Edit Update after a short ride / keeping hood closed
After about 12 minutes bowl reached 135 throughout the height of it and 150 at base plate. Started a wee bit harder this time but perhaps 1/2 crank more then when cold. Thinking the STA-BIL 360 must be helping.
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Richard

'72 Chevy C10 Cheyenne *Super WHT/MED BRONZE/WHT
SBC 350 | TH350 | LWB | AC | Buddy Seats
Upgrades: Tilt | Front Sway Bar | Radio | Sliding Window | Bed Spare w/Lock
Bed Rails | Full LEDs | Courtesy Lights | Tachometer | Glovebox Lock & Light | Head Light Relays | *Upgraded Fully Super Trim

Last edited by Rich72C10; 04-29-2021 at 01:34 PM.
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