WebDec 26, 2024 · 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. WebMopar 318 Poly Performance from Toth Performance. 1,201 likes · 3 talking about this. I have been building Mopar engines and porting Mopar heads for over 40 years and I have been developing the poly... Mopar 318 Poly Performance from Toth Performance
Build a Hot Mopar 318 for Street or Strip - AxleAddict
WebNov 1, 2005 · We're gonna go with the new 318 heads from Aero ($349/pair) that includes valves, seals, springs etc. ready to bolt on. ... Cams for LA Series ... Your`e best bet may be to just port and rough ... WebNov 15, 2024 · yes, the 360 heads have larger valves and ports than the 318, but the chamber is larger too, so it would drop the compression ratio a bit. Why does the 360 engine have 318 heads? No idea. It was a low miles crate engine bought this summer. Runs great but looking at getting those heads. What’s the impact of reduced compression? daiwa sealine 50h reviews
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WebJul 27, 2024 · lets talk about the Magnum engines for starters in stock oem configurations the 318 and 360 make more power over there old LA counter parts and when you add the eddy heads with the correct pistons they … WebThe 318-2bbl heads (4323302) used from 1985 on are a swirl port design with a closed (heart-shaped) combustion chamber design with a chamber volume of between 56 and 65 cc. The 4 heads I examined averaged 62cc in volume. The 302 head has 1.78 inch/1.50 inch valves and small ports averaging 54cc on the exhaust side and 118cc on the intake side. WebHorsepower fans know that Trick Flow is all about developing products that provide maximum performance, such as the PowerPort® 190 cylinder heads for small block Mopar. The heads fit all non-emissions, LA and Magnum-series 318, 340, and 360 engines used through 2003. That’s right, even Magnum owners can now use readily available LA engine … daiwa sealine line counter reel