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**Rich72C10** · 04-15-2021, 03:56 PM

may want to take a look at my thread (page 3), I put my all in at 25K with the springs that are included.

https://67-72chevytrucks.com/vboard/...=818178&page=3

My Truck, from post1

SBC 350 Rebuilt less than 1k on engine at this posting.
TH350 Rebuilt at same time as engine.
307 Gears
Power Brakes and A/C (off during all timing checks)
12° Initial timing
30° ~3500 Max Mechanical (by offsetting light ° button to read 0 on the timing mark)
45° ~3500 Max Vacuum (by offsetting light to read 0 on the timing mark)
17 hg Vacuum @idle
Park/Neutral Idle 650
Tires 275 60 15
60 MPH = ~2500 RPMs

04-15-2021, 03:56 PM	#11
Rich72C10 Mr. Cheyenne Join Date: Jun 2020 Location: Kyle, Texas Posts: 1,644	Re: Pertronix Advance may want to take a look at my thread (page 3), I put my all in at 25K with the springs that are included. https://67-72chevytrucks.com/vboard/...=818178&page=3 My Truck, from post1 SBC 350 Rebuilt less than 1k on engine at this posting. TH350 Rebuilt at same time as engine. 307 Gears Power Brakes and A/C (off during all timing checks) 12° Initial timing 30° ~3500 Max Mechanical (by offsetting light ° button to read 0 on the timing mark) 45° ~3500 Max Vacuum (by offsetting light to read 0 on the timing mark) 17 hg Vacuum @idle Park/Neutral Idle 650 Tires 275 60 15 60 MPH = ~2500 RPMs __________________ 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