Any desk top dynos out there
I ran your engine and came up with the following:
- I think chamber size of your heads is 62cc, entering a couple of additional bits of info (-10cc for 4 eyebrow flat tops, .039" thick x 4.180" diameter head gasket, .050" down the hole @ TDC) I get 9.2:1 static compression, cranking compression still looks ok
- I used specs for a similar style Chev intake because it's in the program already
- If your max lift is .450" your combo exceeds this, I get .484" @ valve with .3027 and 1.6 ratio rockers
Best average torque calculated between 4000 and 6400 is with cam intake centerline at 108 degrees (2 degrees advanced, green=hp, dark blue=torque). As ground and installed straight up the intake is at 110 degrees (yellow=hp, pink=torque), your 104 degree centerline is 6 degrees advanced and does better below 4000 but loses out above (see red=hp, light blue=torque). Here is graph of the 3 cam centerlines:
I ran your engine and came up with the following:
- I think chamber size of your heads is 62cc, entering a couple of additional bits of info (-10cc for 4 eyebrow flat tops, .039" thick x 4.180" diameter head gasket, .050" down the hole @ TDC) I get 9.2:1 static compression, cranking compression still looks ok
- I used specs for a similar style Chev intake because it's in the program already
- If your max lift is .450" your combo exceeds this, I get .484" @ valve with .3027 and 1.6 ratio rockers
Best average torque calculated between 4000 and 6400 is with cam intake centerline at 108 degrees (2 degrees advanced, green=hp, dark blue=torque). As ground and installed straight up the intake is at 110 degrees (yellow=hp, pink=torque), your 104 degree centerline is 6 degrees advanced and does better below 4000 but loses out above (see red=hp, light blue=torque). Here is graph of the 3 cam centerlines:
