What class could I participate in?

c wells · 09-07-2010, 11:23 AM

I have a top sportsman car trying to see if i can run a little comp eliminator. The engine is 682 cubic inch the car weight is 2600 with driver and have an 4 speed lenco trans.

Mike Carr · 09-07-2010, 11:58 AM

Comp cars are classified on pounds-per-cubic inch. 2,600 divided by 682 equals 3.81, which would put you in A/Altered, a class for cars 3.40 to 5.39 pounds per cid. Could also run A/AP (A/Altered Planetary) with a planetary transmission. A/A Index is 7.11, and Nat'l Record is 6.64; A/AP Index is 7.17, and the record is 6.56

Using Nitrous Oxide, you could run A/PM (A/Pro Modified). Maximum cubic inch 825; minimum weight 2,425 pounds. Index is 7.01. Glen Bucher, a T/S racer from Ohio ran 6.40 at Norwalk this year in A/PM, record is a minimum at 6.67

c wells · 09-08-2010, 12:38 AM

Thanks alot Mike I will check into A/PM it sounds like thats the class i'm lookink for.

david ring · 09-08-2010, 07:08 PM

A fast TS on Nitrous would make a great comp car running in A/PM, if you can bottom bulb race (i.e., no delay box). It's a good index, the nitrous would help in the summer, and the nitrous makes in tunable in terms of protecting the index-plus you'll chase everyone. Todd Foreman (sp) will be in comp again at the E-town points me and Glenn Butcher ran the Norwalk Natl event as well as some points meets. The advantage of running a TS car instead of one of the GSA or ADRL Pro Mod cars in comp is that you can be more consistent coming off the line (is your car a clutch car or a Lenco Drive). If I had lots of money (not enough to run GSA or ADRL Pro Mod) and wanted to build a comp car to win the world championship, I'd build a car for A/PM.

c wells · 09-09-2010, 12:31 AM

Thanks David for the info I think I will give it a go at the Dutch Classic and see what happen.

09-07-2010, 11:23 AM	#1
c wells Junior Member Join Date: Mar 2009 Posts: 13 Likes: 0 Liked 0 Times in 0 Posts	What class could I participate in? I have a top sportsman car trying to see if i can run a little comp eliminator. The engine is 682 cubic inch the car weight is 2600 with driver and have an 4 speed lenco trans.

09-07-2010, 11:58 AM	#2
Mike Carr VIP Member Join Date: Nov 2001 Location: Enon Valley PA Posts: 1,650 Likes: 234 Liked 80 Times in 34 Posts	Re: What class could I participate in? Comp cars are classified on pounds-per-cubic inch. 2,600 divided by 682 equals 3.81, which would put you in A/Altered, a class for cars 3.40 to 5.39 pounds per cid. Could also run A/AP (A/Altered Planetary) with a planetary transmission. A/A Index is 7.11, and Nat'l Record is 6.64; A/AP Index is 7.17, and the record is 6.56 Using Nitrous Oxide, you could run A/PM (A/Pro Modified). Maximum cubic inch 825; minimum weight 2,425 pounds. Index is 7.01. Glen Bucher, a T/S racer from Ohio ran 6.40 at Norwalk this year in A/PM, record is a minimum at 6.67 __________________ Mike Carr, Tri-State S/SS Association President Looking for 2015 S/SS Race Sponsors Contact me if interested buffdaddy_1302@hotmail.com (724) 510-5912

09-08-2010, 12:38 AM	#3
c wells Junior Member Join Date: Mar 2009 Posts: 13 Likes: 0 Liked 0 Times in 0 Posts	Re: What class could I participate in? Thanks alot Mike I will check into A/PM it sounds like thats the class i'm lookink for.

09-08-2010, 07:08 PM	#4
david ring Senior Member Join Date: Feb 2003 Location: Oneonta.,NY Posts: 889 Likes: 0 Liked 0 Times in 0 Posts	Re: What class could I participate in? A fast TS on Nitrous would make a great comp car running in A/PM, if you can bottom bulb race (i.e., no delay box). It's a good index, the nitrous would help in the summer, and the nitrous makes in tunable in terms of protecting the index-plus you'll chase everyone. Todd Foreman (sp) will be in comp again at the E-town points me and Glenn Butcher ran the Norwalk Natl event as well as some points meets. The advantage of running a TS car instead of one of the GSA or ADRL Pro Mod cars in comp is that you can be more consistent coming off the line (is your car a clutch car or a Lenco Drive). If I had lots of money (not enough to run GSA or ADRL Pro Mod) and wanted to build a comp car to win the world championship, I'd build a car for A/PM.

09-09-2010, 12:31 AM	#5
c wells Junior Member Join Date: Mar 2009 Posts: 13 Likes: 0 Liked 0 Times in 0 Posts	Re: What class could I participate in? Thanks David for the info I think I will give it a go at the Dutch Classic and see what happen.