Rich,
According to the Competition Preparation Manual, the S-4 cam has the
following specs:
SPECIFICATIONS FOR S-4 CAMSHAFT V-579
Inlet opens 42 deg BTDC
Inlet closes 71 deg ABDC
Exhaust opens 71 deg BBDC
Exhaust closes 42 deg ATDC
Duration 290 deg
Lift at Valve .410"
Checking clearance at camshaft .013"
Operating clearance at valve hot .020"
Hope this helps,
Hugh Barber
San Jose, CA
'73 TR6
At 08:17 PM 12/9/98 EST, Rikrock@aol.com wrote:
>
>Hello,
>
>Can anyone tell me the specs on this cam?
>
>Thanks.
>
>Rich Rock
>64 TR4
>65 TR4A-IRS
>67 TR4A...parts
>70 TVR VIXEN
>71 TVR VIXEN 2500
>
>
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