Header Flang Size !!
12-26-2007, 08:19 PM
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Header Flang Size !! I was about to order my header flanges and the shop asked about the size, I thought all of 243 based casting are the same but the shop told me they are different. I’m planning to get either AFR or ETP 225. So now I was wondering if anyone knows which one of these flanges would work better for those heads. (I tried calling the shops but they are closed till Jan 1st) I wanted to go with 1.88” round but I thought better ask here first.
1) 1.75” Round
2) 1.88” Round
3) 2.00” Round
4) 1.63” Oval
5) 1.75” Oval
6) 1.88” Oval
1) 1.75” Round
2) 1.88” Round
3) 2.00” Round
4) 1.63” Oval
5) 1.75” Oval
6) 1.88” Oval
12-26-2007, 08:59 PM
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1 7/8 is 1.88. 1 7/8 is not as common as 1.750 so thats were I would lean more so for cost. 2" would probally be cheaper than either of the two but will take up a lot of room. I am pretty sure that the 1.750 could support over 750 rwhp.