ed1le
02-24-2012, 07:11 AM
*SOLD*
I'm thinking of selling my Pro Topline 220cc 64cc aluminum heads, these are from early 2000's, before they started hitting hard financial times, approx. 2500 miles on them.
Stainless valves (2.02/1.60) with Comp Cam BeeHive springs (matched to comp cam 276HR w/ 1.6's, .540 lift total), straight plug. The accept center bolt & perimeter bolt valve covers. Engine currently has forged flat tops so it's close to 10:1 compression and with plans to upgrade my supercharger, I'm looking to lower my compression with a set of 75cc or so heads. Also, Pro Topline recommended these for 383 & larger engines, mine is a 355 so also looking to downsize to a 195cc. I did just have them cleaned & pressure tested and machine shop said all was fine. Only issue found was a small ridge around around cylinder 8 which is most likely from detonation, see last pic (PO was only running 30# injectors & never properly tuned the car). For a n/a engine, this shouldn't be an issue. If it's a concern, they can be milled & you'll get a little more boost in compression.
Head flow numbers: (as advertised from pro-topline)
Intake Port Test Data @28" of water
.100 .200 .300 .400 .500 .600 .700
70.74 146.41 203.72 249.84 260.51 268.51 276.41
Exhaust Port Test Data @28" of water
.100 .200 .300 .400 .500 .600 .700
56.90 100.99 156.94 176.85 186.34 190.13 194.87
https://static1.pt-content.com/images/pt/2012/02/DSC02639-1.jpg
https://static1.pt-content.com/images/pt/2012/02/DSC02640-1.jpg
https://static1.pt-content.com/images/pt/2012/02/DSC02638-1.jpg
https://static1.pt-content.com/images/pt/2012/02/DSC02642-1.jpg
https://static1.pt-content.com/images/pt/2012/02/DSC02645-1.jpg
https://static1.pt-content.com/images/pt/2012/02/DSC026351-1.jpg
https://static1.pt-content.com/images/pt/2012/02/DSC02637-1.jpg
I'm thinking of selling my Pro Topline 220cc 64cc aluminum heads, these are from early 2000's, before they started hitting hard financial times, approx. 2500 miles on them.
Stainless valves (2.02/1.60) with Comp Cam BeeHive springs (matched to comp cam 276HR w/ 1.6's, .540 lift total), straight plug. The accept center bolt & perimeter bolt valve covers. Engine currently has forged flat tops so it's close to 10:1 compression and with plans to upgrade my supercharger, I'm looking to lower my compression with a set of 75cc or so heads. Also, Pro Topline recommended these for 383 & larger engines, mine is a 355 so also looking to downsize to a 195cc. I did just have them cleaned & pressure tested and machine shop said all was fine. Only issue found was a small ridge around around cylinder 8 which is most likely from detonation, see last pic (PO was only running 30# injectors & never properly tuned the car). For a n/a engine, this shouldn't be an issue. If it's a concern, they can be milled & you'll get a little more boost in compression.
Head flow numbers: (as advertised from pro-topline)
Intake Port Test Data @28" of water
.100 .200 .300 .400 .500 .600 .700
70.74 146.41 203.72 249.84 260.51 268.51 276.41
Exhaust Port Test Data @28" of water
.100 .200 .300 .400 .500 .600 .700
56.90 100.99 156.94 176.85 186.34 190.13 194.87
https://static1.pt-content.com/images/pt/2012/02/DSC02639-1.jpg
https://static1.pt-content.com/images/pt/2012/02/DSC02640-1.jpg
https://static1.pt-content.com/images/pt/2012/02/DSC02638-1.jpg
https://static1.pt-content.com/images/pt/2012/02/DSC02642-1.jpg
https://static1.pt-content.com/images/pt/2012/02/DSC02645-1.jpg
https://static1.pt-content.com/images/pt/2012/02/DSC026351-1.jpg
https://static1.pt-content.com/images/pt/2012/02/DSC02637-1.jpg