What does a Thumpr cam do?
The Thumpr line delivers true high performance engine sound by “tightening” the lobe separation angle of the camshaft. This creates more overlap between exhaust and intake events and more “cool” performance sound.
What are the cam specs to a 1970 300 hp 350?
If you want a schosh more power everywhere AND still want a smooth, -929 type idle, then try the Performer cam at 204/214, 112/107, .420″/.443″ or so… It is a very good ONE step up cam, imho!!! Here are the specs on four GM grinds including the one that you asked about (and pdq67 already gave you).
What are the specifications for a Chevy 350 camshaft?
The intake and exhaust valves have a duration of 218 seconds a 0.5 rpm each. Both have a valve lift of 0.457 inches and a total duration of 268 seconds. The lobe center-line specification of the intake valve is 105 degrees, and the lobe separation specification of the exhaust valve is 110 degrees.
What are the specs for a camshaft part?
CAMSHAFT SPECIFICATIONS Part No. Specs @ 0.50 Cam Lift Opens Closes Duration SAE Specs@ (0.06/Rocker Arm Ratio) Cam Lift Opens Closes Duration Cam Lift Gross Valve Lift Center Line C/L Rocker Arm Ratio Valve Lash Clearance
What was the horsepower of a 1970 Chevy 350?
That same engine was offered in other models and by 1970, several variants of the same engine were being used across Chevrolet’s model lineup, including trucks. Power output is as follows: 1970 350 2V: 250 horsepower 1970 350 4V: 300 horsepower 1970 350 4V: 350 horsepower 1970 350 4V: 370/360 horsepower (LT1, Corvette/Z28)
If you want a schosh more power everywhere AND still want a smooth, -929 type idle, then try the Performer cam at 204/214, 112/107, .420″/.443″ or so… It is a very good ONE step up cam, imho!!! Here are the specs on four GM grinds including the one that you asked about (and pdq67 already gave you).
The intake and exhaust valves have a duration of 218 seconds a 0.5 rpm each. Both have a valve lift of 0.457 inches and a total duration of 268 seconds. The lobe center-line specification of the intake valve is 105 degrees, and the lobe separation specification of the exhaust valve is 110 degrees.
That same engine was offered in other models and by 1970, several variants of the same engine were being used across Chevrolet’s model lineup, including trucks. Power output is as follows: 1970 350 2V: 250 horsepower 1970 350 4V: 300 horsepower 1970 350 4V: 350 horsepower 1970 350 4V: 370/360 horsepower (LT1, Corvette/Z28)
What are the specs of a 1970 Z28 Cam?
Discussion in ‘ High Performance Modifications ‘ started by rtanner, Sep 21, 2010 . hey guys getting ready to install my cross ram on the 73 z28, whats the specs on the 70 model lt1 cam, and who makes it now, brand and part# please, thanks, oh and yes im sure theres something more modern but im not interested, thanks,