283 super stock hp

J Slane · 01-04-2015, 09:13 AM

A buddy of mine bought a 283 ss motor that last ran with old indx. What hp should it make to run todays indx.Car is 66 nova ...wt.2850...pg.211 low gear.. 620 rear... 7in con. We have a dyno to use.What about headers.The ones we have are from old motor...327 ss/ha... just a little big... Heads are old school .Do you guys think that combo might work

countrypuppy4865 · 01-04-2015, 11:21 AM

What is the hp rating? 195/195 or 220/235?

Tom Meyer · 01-04-2015, 01:08 PM

The reg NHRA SS hp is at 236 in a nova HT auto which puts into natural SS/JA at 11.99 weight per hp,but if you badge it as a SS option its weight per hp becomes 12.06 or a natural SS/KA. Remember you can move up or down a class from its natural class by changing weight 236 lbs in this case. Min weight for J 2770, 3000 K, and if a Super Sport 3240 for L. SS/GT would be a better option with a 233 hp rating, You could run GT/LA which is a 13.5 hp class GT/KA a 13lb class GT/JA is 12.5 and GT/IA at 12lbs. Just take the class weight times 233 plus 170 lbs for the driver and round off for your min weight. IHRA is 230 hp. Most run a step header 1 5/8 1 3/4 1 7/8. The 6.20 gear will work along with 9" stocker tires on 10" rims it will turn 9000 plus in the lites. Tom

Ed McLawhorn Jr. · 01-04-2015, 01:23 PM

Been told my several the really quick 283's are pushing 500hp or more. Tom Meyer is dead on with hp ratings, classes. He helped me tremendously with my budget 283 ss build.

Ed

Tom Moock · 01-04-2015, 02:13 PM

ss/ka around 417hp to run index 11.25, 550hp to run 1 second under index 10.25. Wade Owens M/SA record 11.65 in good air around 400 hp. Tom

Tom Meyer · 01-04-2015, 02:28 PM

510 on my car to go high 10.40s in SS/LA in good air, that would be .95 under now. At that time had a 1.98 glide in the car, don't know how much faster it would be with a three speed. I could be wrong but 550 hp out of 220 hp 283 would not be possible at this time. Also back in the day it took 6 hp to go a tenth faster. But the faster you go the more power you would need to push the brick shape of a shoe box Chevy II down the track. Tom

Ed Carpenter · 01-04-2015, 04:40 PM

I don't think Tim or Robin even make 550 and they can run in the .80's.

Dan Wilson · 01-05-2015, 09:07 AM

Call Jimmy Harrison 618-445-2405
Dan

J Slane · 01-05-2015, 03:57 PM

thank all who gave me answers it is going to help.... Jay

01-04-2015, 09:13 AM	#1
J Slane Junior Member Join Date: Jun 2007 Posts: 67 Likes: 249 Liked 0 Times in 0 Posts	283 super stock hp A buddy of mine bought a 283 ss motor that last ran with old indx. What hp should it make to run todays indx.Car is 66 nova ...wt.2850...pg.211 low gear.. 620 rear... 7in con. We have a dyno to use.What about headers.The ones we have are from old motor...327 ss/ha... just a little big... Heads are old school .Do you guys think that combo might work

01-04-2015, 11:21 AM	#2
countrypuppy4865 Senior Member Join Date: Nov 2003 Location: Donaldsonville, LA Posts: 977 Likes: 17 Liked 227 Times in 69 Posts	Re: 283 super stock hp What is the hp rating? 195/195 or 220/235? __________________ Jimmy "Cooter" Hidalgo, Jr. 4865 E/SA '04 GTO 4865 SS/GA '99 Firebird

01-04-2015, 01:08 PM	#3
Tom Meyer Senior Member Join Date: Aug 2003 Location: Pierce NE Posts: 933 Likes: 74 Liked 351 Times in 120 Posts	Re: 283 super stock hp The reg NHRA SS hp is at 236 in a nova HT auto which puts into natural SS/JA at 11.99 weight per hp,but if you badge it as a SS option its weight per hp becomes 12.06 or a natural SS/KA. Remember you can move up or down a class from its natural class by changing weight 236 lbs in this case. Min weight for J 2770, 3000 K, and if a Super Sport 3240 for L. SS/GT would be a better option with a 233 hp rating, You could run GT/LA which is a 13.5 hp class GT/KA a 13lb class GT/JA is 12.5 and GT/IA at 12lbs. Just take the class weight times 233 plus 170 lbs for the driver and round off for your min weight. IHRA is 230 hp. Most run a step header 1 5/8 1 3/4 1 7/8. The 6.20 gear will work along with 9" stocker tires on 10" rims it will turn 9000 plus in the lites. Tom __________________ Tom Meyer 5240 SS Stock ??? Last edited by Tom Meyer; 01-04-2015 at 01:16 PM.

01-04-2015, 01:23 PM	#4
Ed McLawhorn Jr. Member Join Date: Nov 2008 Posts: 306 Likes: 3 Liked 19 Times in 17 Posts	Re: 283 super stock hp Been told my several the really quick 283's are pushing 500hp or more. Tom Meyer is dead on with hp ratings, classes. He helped me tremendously with my budget 283 ss build. Ed

01-04-2015, 02:13 PM	#5
Tom Moock Senior Member Join Date: May 2004 Posts: 801 Likes: 1 Liked 10 Times in 6 Posts	Re: 283 super stock hp ss/ka around 417hp to run index 11.25, 550hp to run 1 second under index 10.25. Wade Owens M/SA record 11.65 in good air around 400 hp. Tom __________________ Tom Moock 5704 STK

01-04-2015, 02:28 PM	#6
Tom Meyer Senior Member Join Date: Aug 2003 Location: Pierce NE Posts: 933 Likes: 74 Liked 351 Times in 120 Posts	Re: 283 super stock hp 510 on my car to go high 10.40s in SS/LA in good air, that would be .95 under now. At that time had a 1.98 glide in the car, don't know how much faster it would be with a three speed. I could be wrong but 550 hp out of 220 hp 283 would not be possible at this time. Also back in the day it took 6 hp to go a tenth faster. But the faster you go the more power you would need to push the brick shape of a shoe box Chevy II down the track. Tom __________________ Tom Meyer 5240 SS Stock ??? Last edited by Tom Meyer; 01-04-2015 at 03:36 PM.

01-04-2015, 04:40 PM	#7
Ed Carpenter Live Reporter Join Date: May 2006 Location: Dripping Springs, Tx Posts: 2,709 Likes: 186 Liked 520 Times in 132 Posts	Re: 283 super stock hp I don't think Tim or Robin even make 550 and they can run in the .80's. __________________ Ed Carpenter 2005 Chevy Cobalt A/SM Race Engine Development

01-05-2015, 09:07 AM	#8
Dan Wilson Junior Member Join Date: Apr 2010 Posts: 60 Likes: 0 Liked 0 Times in 0 Posts	Re: 283 super stock hp Call Jimmy Harrison 618-445-2405 Dan __________________ Dan Wilson, STK3171, K/SA

01-05-2015, 03:57 PM	#9
J Slane Junior Member Join Date: Jun 2007 Posts: 67 Likes: 249 Liked 0 Times in 0 Posts	Re: 283 super stock hp thank all who gave me answers it is going to help.... Jay