WebApr 5, 2024 · If you’re looking to enhance your Pontiac’s power and performance, porting your heads is an excellent way to do so. Porting is the process of enlarging and reshaping … WebJan 1, 2008 · Like their D-port brethren, the R/A-II cylinder heads (casting No. 96) contained 2.11/1.77-inch intake and exhaust valves, an intake port volume around 153 ccs, with airflow peaking around 210 cfm ...
Pontiac Street Performance: Heads
WebMay 28, 2013 · Porting Pontiac iron heads is only worth the effort if you are concerned about an OEM appearance and want 60-80% of the performance you can get out of a set of aluminum heads. The cost of having iron heads ported professionally vs. getting a set of stock aluminum heads make aluminum heads a better option in terms performance results. Web133 rows · 44 Tunnel Port: 2.11/1.77: 67 cc: 303: RA=V Tunnel Port: 546184: 2.11/1.77: 56 cc: 1970: 350: 255 HP: 11: 1.96/1.66: 8.8 cr: 400: 265 HP: 11: 1.96/1.66: 8.6 cr: 400: 290 … can my computer run watch dogs 2
Pontiac Cast Iron Cylinder Heads, Ported (Pair) - Butler Performance
WebMost importantly, all d-port heads can be ported to provide increased air flow. Air flow is one of the keys to making more power in any combustion engine. Improved air flow will make a difference on your Pontiac engine. The degree of porting (how much metal should be removed) depends on the vehicle's usage. WebDescription: Pontiac 1967-79 400-455 72cc Edelbrock Round Port Heads, Ported to 370+CFM, Complete w/ Ferrea Stainless Steel Valves, Performance Valve Springs (Matched to Application), Retainers, Chromoly Locks,... Item #: BPI-72cc-EDL-RdPort-370CNC-WP Current estimated ship time is 12-15 weeks Price: $4,195.95 WebApr 10, 2024 · Edelbrock 61599 Performer Pontiac D-Port Cylinder Head Chamber Size 72Cc. $1,602.39. Free shipping. Edelbrock 61599 Pontiac Performer D-Port Cylinder Head. $1,467.95. Free shipping. Edelbrock 61599 Performer Series D-Port Cylinder Head. $1,509.26. Free shipping. fixing computer desk drawer