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Old 10-15-2020, 05:06 AM   #24
Phil Gillespie
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Join Date: Sep 2011
Location: Christchurch New Zealand
Posts: 1,358
Default Re: Use of a Big 97 Stromberg Carb.

My cam specs are:
Grind: B4i-10 Lobe separation: 109.8. Timing: 2 retard. Overlap(@.050") -12.0

iINTAKE
centreline:110.0 tappet lift: .314.
int open @ .050" -5.8 btdc Int adv open:15.8 btdc. duration .050" 207.8 adv duration: 257.7 duration @.200" 131.3 lobe area: 23.87. lash;.012. cam lift at tdc; .0311.
Int close@ 0.50": 33.6 abdc. int adv: close: 61.9 abdc.

EXHAUST.
centreline;109.6. tappet lift:.316.
exh close@.050" -6.2 atdc. exh adv close; 21.3 atdc. duration.050": 208.1
adv duration: 261.6. duration @.200" 131.6. lobe area: 23.92. lash; .012. cam lift at tdc: .0319.
exh open @ .050" 34.2 bbdc. exh adv open: 60.4 bbdc.

hope i got it copied right.
Phil NZ
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