# 350 or 383 sbc **URL:** \ **Category:** PittSpeed Automotive\ **Created:** [February 5, 2007, 8:58pm UTC](https://forums.speedlife.net/t/350-or-383-sbc/187866 "2007-02-05T20:58:46Z")\ **Posts on this page:** 1\ **Showing post:** 24
**Author:** ![eurodad](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/eurodad/32/5988_2.png) [@eurodad](https://forums.speedlife.net/u/eurodad)\ **Post date:** [February 6, 2007, 9:10am UTC](https://forums.speedlife.net/t/350-or-383-sbc/187866/24 "2007-02-06T09:10:34Z")
> [@rust in piece](https://forums.speedlife.net/t/rust-in-piece/27762/23): > > your not comapering apples to apples, your take the highest potential for the 350, vs the lowest for the 383. fast burh heads are junk. Now lets do some real compare. > > First buying any of those motors are junk the heads are crap… > > Go on AFR’s site… 383 vs 350 > big difference 350ci(400hp)383ci(603) > > Thats compare the extreme vs the extreme. the variables are different. from the two examples you gave. here taken off afr site. 30 hp differece from same motors. are now gonna say afr heads are junk too? 480 HP 383ci AFR Street 180 Aluminum Cylinder Heads 9.5 Holley 0-4779 750 cfm MSD Distributor 36° Timing Comp Cams 12-432-8 Hyd Roller Cam 1 3/4 Headers 93 Octane Pump Gas Engine built and dyno tested by America 450 HP 355ci AFR Street 180 Cylinder Heads 9.5 Holley 0-4779 750 cfm MSD Distributor 36° Timing Comp Cams 12-432-8 Hyd Roller 1 5/8" Headers 93 Octane Pump Gas Engine built and dyno tested by AF --- _[View the full topic](https://forums.speedlife.net/t/350-or-383-sbc/187866)._