How do I identify my Mopar heads?
CYLINDER HEADS The first would be on the top of the intake runner, under the valve cover. The second location is on the underside of the intake runner on the cylinder head. The two locations in which you can find the casting numbers on Mopar cylinder heads.
How do I identify a 440 Mopar?
440 has the engine I.D. codes stamped on a machined flat surface (about 3/4″ x 2″) located in front of the intke manifold towards the dirver’s side of the car on the block. The 383/400 has this pad located just in front of the driver’s side cylinder head where the head bolts to the block. Hope this helps.
How do I calculate cylinder head casting numbers?
HEAD CASTING NUMBERS The head casting number is located on the top of the cylinder head. The valve covers must be removed to find the number. Keep in mind that if you remove the valve covers, new gaskets may be needed.
Are Mopar 906 heads good?
While 906 heads do perform well when ported, the labor involved with hand-porting these heads, combined with the cost of new valves, springs, etc, has made it more economical in most cases to simply buy a new set of aluminum aftermarket cylinder heads.
Can you put Magnum heads on a La block?
The Magnum head is adapted fairly easily to the older LA block. The Magnum blocks feed oil to the rocker arms and heads through the lifters and pushrods. We can supply the oil-thru lifters for any combination you need, and the parts will service both V6 and V8 engines.
What is the difference between a 440 and a 440 magnum?
The 440 ‘Magnum’ in 1967 ONLY had a ONE YEAR ONLY closed chamber ‘915’ head with the larger 1.740 EXHAUST valve. The intake valves never went past 2.080 for the entire run through 1978. The ‘440 LP’ version was a 350 HP engine, while the ‘440 Magnum’ was rated at 375 HP. there were TWO different ‘915’ heads.
How much horsepower can you get out of a 440?
Although the most powerful factory stock 440 engines produced a rated 390 gross horsepower, the OEM blocks can take power in the 600hp range, and survive practically indefinitely at the 500-550hp level. Mopar built quite a bit of strength into the bottom end of these engines.
What are LS 243 heads?
Generation III cylinder head for V8 truck, van, SUV and perfomance applications often called an LS6 head. It has cathedral shaped intake ports and D shaped exhaust. The combustion chamber is slightly smaller and more efficient than the earlier heads used on LS1 engines.
What did LS 243 heads come on?
The 243 head came on the more powerful LS6 engine from 2001 to 2006, and was used in C5 Corvettes. Later engines like the truck-spec LQ9 and LQ4 used the exact same port design as the LS6’s 243 heads, but had 6 cc larger combustion chambers.
What CC are Mopar 452 heads?
The 516 CC look WAY smaller as a combustion chamber than the 452 heads I have (88cc) do. Here’s the rest of the build.
Are 915 heads good?
For a Mopar big-block, the ’67-only 915 head is the most desirable of all junkyard and swap-meet finds because of its good port design, larger valves, and closed combustion chambers. Earlier heads had the quench-friendly closed chambers, but small valves and ports, and later heads went to an open-chamber design.
What is the part number on a 440 rod?
Take the standard 440 “LY” rods, casting number 1851535. First introduced in 1959 with a 1851533 part number, this was changed in about 1965 to 2406770 and again in about 1975 to 4027096, while all this time the part itself remained completely unchanged, original casting number and all.
When did the 4006630-440 casting number come out?
The only block we have found to have these supports are the 4006630-440 casting #, which was used from late 75 until the end of production in 1979.
What are the Mopar head casting numbers for the RB 78?
400 B 71-72 (Full Series) 3698 630 400 B 73-78 (Full Series) 3698 830 440 RB 73-78 (Full Series) 4006 530 400 B 76-78 (Full Series) 4006 630 440 RB 78 B/RB Mopar Head Casting Numbers
Are 440 casting blocks more commonly used for truck motors?
They DO seem to be more commonly used for truck motors, however just because you have a truck 440 does not mean it will automatically have the thicker main supports. One important fact is that while 4006630-440 casting # blocks are the only blocks we have found to have these thicker supports, not all these blocks will have them.