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Old 02-27-2021, 04:37 PM   #93
Rich72C10
Mr. Cheyenne

 
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Join Date: Jun 2020
Location: Kyle, Texas
Posts: 1,644
Re: Timing & Gas Milage

Well finally an update - darn Texas Snow last weekend!

The changes are: New Pertronix Flame-Thrower II, New Flame-Thrower Coil & Wires. 12° initial timing, ~900 RPM idle (Park) and ~640 RPM idle (Drive).

60 Mile test drive, great mixed city and highway (Tx Farm Roads up to 70 MPH).

15 MPG!

I after changing my spark wires for the matching Pertronix Flame-Throwers that actually made a noticeable change in how she preformed. Before I'd get this odd power loss between 1st & 2nd / 2nd & 3rd shifting when just getting up to speed (say on a side street, getting up to 30~35). It wasn't a big drop or did it feel she was bogging down - just an odd blip of power loss. So something was up with those wires for sure. I am glad I decided to listen to Pertronix support and bought their wires to match their distributor!!
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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
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