×
INTELLIGENT WORK FORUMS
FOR ENGINEERING PROFESSIONALS

Log In

Come Join Us!

Are you an
Engineering professional?
Join Eng-Tips Forums!
  • Talk With Other Members
  • Be Notified Of Responses
    To Your Posts
  • Keyword Search
  • One-Click Access To Your
    Favorite Forums
  • Automated Signatures
    On Your Posts
  • Best Of All, It's Free!
  • Students Click Here

*Eng-Tips's functionality depends on members receiving e-mail. By joining you are opting in to receive e-mail.

Posting Guidelines

Promoting, selling, recruiting, coursework and thesis posting is forbidden.

Students Click Here

Jobs

Camshaft Overlap, Cont'd.

Camshaft Overlap, Cont'd.

Camshaft Overlap, Cont'd.

(OP)
I guess I didn't express my question correctly.  When I change the cams in my engine to cams of different timing events , is there some way of predicting the performance .  The intake and exhaust camshaft centerlines are independently variable, thus the "split overlap" is also variable.  Time on the dyno is $ and if there is a formula about---
Question # 2 ---Two engines, one @ 12.0/1 ratio and one @14.5/1 ratio. Given the same quality of fuel for each, can overlap be used as a method of controling combustion pressure without substantially altering individual cam timing ?  I know this is "have your cake and eat it too" ,and is quite possibly not achievable, but I must explore all avenues available.

RE: Camshaft Overlap, Cont'd.

I can't vouch for the accuracy or if it can handle your paticular problem, but I have seen a book that comes with a simulation program called "Desktop Dyno".  It is only $35-$40.  It may be worth a try.

Red Flag This Post

Please let us know here why this post is inappropriate. Reasons such as off-topic, duplicates, flames, illegal, vulgar, or students posting their homework.

Red Flag Submitted

Thank you for helping keep Eng-Tips Forums free from inappropriate posts.
The Eng-Tips staff will check this out and take appropriate action.

Reply To This Thread

Posting in the Eng-Tips forums is a member-only feature.

Click Here to join Eng-Tips and talk with other members!


Resources