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Original Message
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RE:here you go... |
By Mike McQuesten - 03/25/2002 6:42:35 PM; IP 67.227.207.164 |
The installed intake is a '61 HP 390/375 horse intake with a casting date of: 0L30, 11/30/60. Fairly early '61 HP production. Note the angled carb base.
The intake on top of the installed intake is a '60 HP 352/360 horse with a casting date of 0E24, 5/24/60. Fairly late '60 HP production.
In the third pic I'm trying to indicate the subtle difference in the intake runner size. I'm not sure this will show clearly enough. I've placed the pencils in such a way as to indicate that on the '61 intake there is a little higher casting ridge of that particular runner. This is true for all of them. Although it's slight but visable. Remember Ford did say that the '61 had 10% increased flow over the '60.
Now for that carb base. Kevin has indicated that he thinks there was a difference in the engine angle between the '60 & '61. He has also indicated that there may be a difference in the rear leaf spring mounting locations between the two years thus changing engine angles. Kevin, I've got 'em both. And I've layed 'em out. I've measured. I've looked and measured some more. I can't see it or find it. I put two leaf springs side by side, one from my '60 & one from a '61 & '62 Galaxie. No differences.
Interesting to note that when that '60 intake was setting on the engine all mounted in the '60 Sunliner with the transmission fully installed, the little level indicated a half a bubble off. With the '61 angled intake setting in the same exact spot.....the bubble was right on even.
I believe lots of things, most of which probably don't amount to anything, but I do believe fairly strongly that the Ford HP team engineers found that there was some fuel starvation occuring in some situations with the '60 intake. A little angle up here and a little larger runner there and there you go....10% increase in flow! Maybe I should say it's my theory. I'm not ready to believe it yet.
Now to see if I can attach these pics...
[Image re-sized by Admin.] |
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