Trade a 1227727 Corvette and hardness for 1227730 and hardness:

[dave w]

I've had very good results using a low cost re-ground stock L31 Vortec 5.7 roller camshaft, re-manufactured roller lifters, and expensive 1.6 ratio roller tip rocker arms. To me very good results = 5.7 TBI engine accelerating a 5200 Lb. 4WD Pickup ... Zero to 60 MPH in just under 7 seconds. Custom Chip tuning required.

dave w

[Racprops]

I've had very good results using a low cost re-ground stock L31 Vortec 5.7 roller camshaft, re-manufactured roller lifters, and expensive 1.6 ratio roller tip rocker arms. To me very good results = 5.7 TBI engine accelerating a 5200 Lb. 4WD Pickup ... Zero to 60 MPH in just under 7 seconds. Custom Chip tuning required.

dave w

I read reground cam shafts do not last, but that was so true with flat lifters…are you saying your reground cam shaft have not gotten lost lobes??

If so, are yours coming from one company?? If so perhaps I should consider having my cam reground.

One of the concerns is the re-treatment on the surface.

And rather they can just up the duration and lift just a little bit.

Rich

[dave w]

I read reground cam shafts do not last, but that was so true with flat lifters…are you saying your reground cam shaft have not gotten lost lobes??

If so, are yours coming from one company?? If so perhaps I should consider having my cam reground.

One of the concerns is the re-treatment on the surface.

And rather they can just up the duration and lift just a little bit.

Rich

I've had 100% Success / ZERO% Failures with the re-ground camshafts I've purchased from Oregon Camshaft: http://www.oregoncamshaft.com/

dave w

[Racprops]

Thanks after a talk with a person named Ken at Oregoncamshaft, I mailed my old cam for a stronger cam regrind.

The cam I am getting is their strongest towing cam, with the following specs: 203 208 410 425 and 114 lobe, was told power range was 1000 to 4500RPMs.

I hope there is a program to show how an engine will run on the cam specs entered; all I have found is one that shows the cams specs like the photo:

I think I saw one that you inter all your engine specs and it would project how the engine would perform.

I am looking for one that will calculate the power curves, showing the torque curve and horse power curve at projected RPM.

Thanks.

Rich

Cam profile.jpg