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400smb_s10 03-28-2012 04:53 PM

Initial Timing Question
What would be a good timing number for this camshaft. Advanced and initial timing

Duration @ .050" 214 int 214 Exh

SAE duration 287 287

Lobe spread 105 115

lash Hydraulic

Valve Lift ".444 ".444

Cam Lift ".296 ".296

Any help would be greatly appreciated



DoubleVision 03-28-2012 07:19 PM

It's not very often we time one by the cam specs as a majority of cams like the same specs. What dictates the timing is the compression ratio.
So overall is, need more info. Whats the compression ratio? What engine? what other mods have been done? What ignition system?

400smb_s10 03-28-2012 08:23 PM

motor is a 350 4 bolt with 400 heads ported and polish hei distributor and 600 cfm holley carb. Umm hope this is enough info. Im not sure what the compression ratio is. Its a stock motor other then the heads cam and carb

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