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I've always heard that the 799 and 243 are the same, then I saw this thread on LS1tech and realized that 243's are not exactly the same as a 799, and flow more.
I've seen the test of "243" (they used 799's) vs 706 and like a lot of y'all thought the results were impressive. But reading into them we all also saw the unfair judgment that they make less low end while having lower compression.
I would love to see a actual 243 vs a 706 with the same size chamber and not crippled by having lower compression.
Don't know what 706's flow, would love to see them on the same exact bench though.
Anyone have flow numbers from the 706's? I did see that they have the top cut the 243 has and wonder if they make the same power with the same chamber size or who the real winner would be in that situation. I know some of y'all don't care but I'm curious.
Agree. So far the best way I've seen that people come up with velocity is dividing flow numbers by port cc
I was interested to finally see what the difference is in 243 vs 799. And now I'm thinking a actual 243 with same chamber size as a 706 may be just as good or better. I was also interested to see that the tests used a 799, and at lower compression, then called the 706 a clear winner. I was with it till I put all that together.
Could come down to 706 being better for a 4.8/5.3 and 243 be the better head for 5.7/6.0
If I recall correctly the 706 is a 200 cc intake port and the 243 is a 210.
That static compression with that cam you're gonna have sky high dynamic compression. Bet that is a hell of a lot of fun to drive and is snappy as hell. Aka best daily ever style
02-11-2020, 04:21 PM
Interesting info 799 vs 243/706 discussion
