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Forum: HoseHeads Sprint Car General Forum (go)
Moderators: dirtonly  /  dmantx  /  hosehead


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Topic: 305? Email this topic to a friend | Subscribe to this TopicReport this Topic to Moderator
Page 2 of 2   of  22 replies
TracKing
September 16, 2010 at 08:04:31 AM
Joined: 05/06/2010
Posts: 49
Reply

If you stick with the Racesaver model. You have crank weight, untouched heads with large combustion chambers, flat top pistons, flat tappet cam with not much lift, weak valve springs. then you also have tech people checking valve lift and spring tension after race. In our area they also tech the motor while apart and then seal.

 

I think it would be hard to get 600 from that. Now on the Midwest side-- They use steel heads with smaller combustion chambers, bigger intake valves, better valve springs. All the ingredients you need to make the little thing breathe better. Now yo are talking about the possiblity of getting to 600.

Not saying either one is better, but it is 2 distinctly different 305 classses out there. Then you have Knoxville which allows even more.

 



mnmatt
September 16, 2010 at 01:06:17 PM
Joined: 08/19/2010
Posts: 13
Reply

It would be a midwest or a knoxville motor. But yes the Racesaver series is good because of all the teching and rules.



mnmatt
September 21, 2010 at 09:13:00 PM
Joined: 08/19/2010
Posts: 13
Reply
Reply to:
Posted By: mnmatt on September 13 2010 at 03:46:42 PM

What is the highest horsepower coming from a legal 11:1 flat top, flat tappet engine for the midwest 305 rules?



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