Porting 69 302 heads
WebMay 12, 2007 · i recieved a 74 302 motor for free, when i brought it home and tore it down, i noticed the heads were a 69. so i started looking for the part number and i found DOOE … WebApr 18, 2012 · The ports themselves are also bigger and flow more, but a larger port can hurt low RPM throttle response. Larger intake valves will make a cam seem "larger" which could be good or bad depending on your current setup. Assuming you are running a 318 now, the 302 heads will support 275-325 HP depending what's been done to them.
Porting 69 302 heads
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WebJul 25, 2010 · Best thing is they're the small chambers. They are good heads but just need bigger valves and the exhaust side mainly opened up. 1.94I, 1.60E and port out the … WebMay 14, 2024 · Our subject engine is a 1967 289 with ’69 302 truck heads, which have larger 64cc chambers. These heads have been milled 0.010-inch, which will put us around 10.0:1 compression. With earlier 53cc/57cc chambers you’ll be at 10.5:1. They have also been CNC-ported and fitted with larger 1.940/1.600-inch Chevrolet valves for improved flow.
WebJul 1, 2005 · The larger Mopar Performance Magnum R/T (200 cc) or new Edelbrock RPM heads (186 cc) offer a greatly advantaged design to start with, and the potential is hard to ignore when contemplating $1,000 ... WebMopar '302' High Swirl Cylinder Heads. ... Running a large port intake with 318-style ports causes a "damn" in the intake path where the intake mates to the head because of the port mismatch. ... on what heads you're running. …
WebA look at the 318 casting # 302 cylinder head. It's ups and downs 'mainly downs in stock form' ...followed by a flow test, valve job 75-60-45-30 angles, cham... WebFeb 1, 2024 · The 302 head can be ported out very well but dime for dime if you do anything with them, run them as is. If they need a rebuild, chop them up for fishing weight sinkers …
WebDec 26, 2024 · 22,886. Reaction score. 16,737. Location. FL. Most 302 heads are on pre-Magnum LA roller engines. These are advertised 9.2:1 motors. IIRC the 1968 318 is also a 9.2:1 engine but the rating may be more "true" on the later builds. I've asked a few times on both boards what the actual measured differences might be but no one seems to know.
WebThe 1968 302-4V head is a good factory cylinder head if you’re interested in improved low-end torque with a basically stock 289/302-ci engine. However, it is a very difficult cylinder head to find because it was cast for one year … dart impact astmWebFeb 13, 2005 · i ported my stock heads and it helps if your flowing a lot (cam, intake, headers) if the motor is stock and you keep the 2 brl i dont think it will do much. 302s are bad on the exhaust port, the bump canbe cut out and polished, but the intake should just be gasket matched. dont polish the intake on a carbed engine, it will kill fuel atomization. … dart in accountingWebSep 9, 2004 · PUT 1.94 AND 1.60 STAINLESS VALVES, SCREW IN STUDS AND GUIDE PLATES. THEY ARE ON A ROLLER 302 WITH EXPLORER CAM, 9.25 TO ONE COMPRESSION, RPM PERFORMER INTAKE, EDLE. 600 CARB. THE ENGINE WAS BALANCED. I WANTED HEADS THAT WILL OUT PERFORM GT-40P'S AND NOT HAVE THE SPARK PLUG ISSUES. dart image to base64WebMay 14, 2006 · Discussion Starter · #3 · May 13, 2006. Well, slight change of plans. I went down to the wrecking yard and found my 302 heads. They happen to be attached to an extremely clean and well maintained looking, 89K mile, 318 in an 85 Dodge truck. The heads would cost me $70 and the whole engine, probably with accessories, will cost me $150 so … dart import mathWebJul 5, 2024 · The BOSS 302’s biggest shortcoming is port sizing, which is something Ford has rarely been able to get right. The BOSS 302 engine could use better cylinder heads … dart import by platformWebJan 10, 2024 · The most notable thing about the Flo-Tek heads available through Speedway Motors is the price—that's $739.98 for a complete, ready-to-bolt-on pair of aluminum heads for a small-block Ford ... dartigan twitchWebFeb 2, 2004 · These heads are over 30 years old, after all. -Hardened valve seat that are compatible with unleaded gasoline. -reducer washers if you are installing these on a 302. Then, hope that none of the valves are bent, too. I added all that up and decided to sell the pair I had to a lesser educated individual. dartich phone