Dodge J Heads - Difference "" "" heads? - cuda challenger, Author topic: difference between "x" and "j" heads? (read 12652 times) whitehatspecial. jr. member; posts: 40; 308 heads come on 87-92 dodge trucks with the 360 engine & yes there is a 308 casting # under the intake runner on the heads i port them to maximize the flow , you can have 2.08 intake valves installed but the heads work well with. The mopar 340 v8 high performance engines - allpar, The amazing mopar (dodge/plymouth) 340 v8 engine for the 1971 cars, the 340 (and the 360) came with the “j” type heads, using a single casting, with different machining for the different sized valves. 360 heads were used in the 1970 340 six-pack aar/ta, which had the same size valves.. Small block cylinder heads castings - porting - ornocar, Chrysler small block cylinder heads: casting differences and porting published by hpbooks (1989); "how to build dodge and plymouth performance", edited by larry schreib and published by sa design (1991); and the "mopar engines" book, 8th edition, also written by larry shepard. 340 and 360 engines were equipped with 3418915 heads, so. Small block heads - houstonmopars.org, Along comes the next generation of small block heads the common 340-360 head the " j ". (i have personally seen early j heads with 2.02 intake and 1.60 exhaust from the factory, although the books and expert say they were never made.) 99.9% of these heads were garden variety 1.88 intake and 1.60 exhaust.. Mopar dodge plymouth cylinder heads - hot rod network, The notable “x” and “j” heads (named for an x or j cast into the head near the spark plug hole) fall into the large port category, as do cylinder heads with “915” as the last three. Mopar head casting numbers 1959-1978 - mymopar., Rb/b, la cylinder head casting numbers: the casting numbers for most rb, b, la heads are found in two places. on the underside of the head on an intake runner, and under the valve cover on an intake runner.. Chrysler, dodge, plymouth la (273-318-360) -8 engine, Chrysler, dodge, and plymouth la (273-318-360) v-8 engine and carburetor performance upgrades. home. allpar (home) news forums. cars. keep in mind that the 318 runs about 8.5:1 compression and will be about 8:1 or as low as 7.5:1 with the j heads of the 360. this is going to drop the compression pretty low, which is great for cheap gas, but. New & chrysler dodge jeep ram dealer downtown los, La cdjr has huge inventory of 900+ shiny new chrysler, dodge, jeep & ram vehicles in stock! conveniently located in the heart of downtown right off the 110, our professional sales staff is excited to help you get into your dream car today!.
Difference between "x" and "j" heads? cuda challenger → The mopar 340 v8 high performance engines allpar → Small block cylinder heads castings porting ornocar → Small block heads houstonmopars → Mopar dodge and plymouth cylinder heads hot rod network → Mopar head casting numbers 19591978 mymopar → Chrysler, dodge, and plymouth la (273318360) v8 engine → New & used chrysler dodge jeep ram dealer in downtown los →