http://www.sbftech.com/index.php?topic=175.0 WebNov 23, 2010 · In comparison to the GT40 heads, they are quite similar. However, the 351W chamber is smaller than the GT40 head, a good thing! For the 289 heads. The earlier, the better. All the heads will have the 125cc style intake passage (like the 302's and E- heads). Valve sizes on the '65 and later heads is 1.78/1.46.
289 Hi-Po Engine ID Guide - MotorTrend
WebNov 19, 2012 · I got these heads from a SS racer who ran 289's all the time and ran high RPM's to make the HP. I plan on using these heads on my 289 for a mild build say … WebJul 27, 2012 · Enter text here.These heads were fitted with stiffer valvesprings for obvious reasons: to reliably slap the valves closed at high revs. Spring pressure was approximately 350 pounds on the Hi-Po heads. Smaller damper springs were also used. Look for casting numbers C3OE, C4OE-B, C5OE-A, C5AE-E, C7ZE (service head), and C8ZE-B (also a … cheese player
Educate me regarding Chevy valves on ford heads.
WebJun 30, 2009 · NO other than the listed difference the 289 hipo heads were identical to all the other heads and the cups and studs were the main difference. Blocks were the same also and was no different casting numbers but the main caps were a give away as was the threaded oil galley holes. Web1965 Ford Mustang C5AE-B 289 Cylinder Heads SBF Fresh Heads Chevy Valves Opens in a new window or tab. Pre-Owned. $750.00. or Best Offer +$100.00 shipping. 14 watchers. Sponsored. Ford 289 302 351W 408 427 5.0 Mustang Aluminum Heads GT40 EFI carburetor Opens in a new window or tab. Brand New. $610.00. WebFind many great new & used options and get the best deals for 1965 1966 Ford Galaxie Fairlane Mercury Monterey Comet 352 390 428 4-BLADE FAN at the best online prices at eBay! Free shipping for many products! cheese please