Thanks guys
Dave - I don't think it's the most durable finish I've seen, not as sensitive as anodized aluminum though.
Greg - Hopefully the head and carb make up for my inferior rebuilt flat tappet cam.
One issue that came up when they tore the motor down is they didn't notice the gear drive was a variable advance so they don't know position it was set at. That bothers me.......more than a little.
I believe -2* / 0* / +2* are the options for my drive.
http://static.summitracing.com/globa...jj-350-91c.pdf
Anyone have an educated guess?
Here's Edlebrock's specs which say 0* for "most" applications.
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• CAMSHAFT: Torker-Plus Hydraulic
• CATALOG #5002
• ENGINE: Chevrolet 265-400 c.i.d. V8
• RPM RANGE: 1500-6500
• CAUTION: Do not use dual valve springs.
Use only recommended Edelbrock Sure Seat
Valve Springs #5703.
Use stock ratio rocker arms only.
Duration at .006" Lift: Intake 292° Exhaust 300°
Duration at .050" Lift: Intake 232° Exhaust 234°
Lift at cam: Intake .325" Exhaust .325"
Lift at valve: Intake .488" Exhaust .488"
Timing at .050 Lift:
Open Close
Intake 10° BTDC 42° ABDC
Exhaust 47° BBDC 7° ATDC
Intake Centerline: 106° Lobe Separation: 108°
• CAUTION: Use Edelbrock Performer-Link Timing Chain and Gear
Set #7800 or Accu-Drive gear drive #7890. Do not use late
model timing chain and gear sets that are designed for emission-
controlled engines. These timing sets are machined in a
retarded position and are not recommended for this camshaft
installation. Edelbrock Timing Sets feature three keyways for
specified timing selection. Use "0" position for most applications.
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Edelbrock's drive is 4* at cam and 2* at crank.