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#11 |
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#12 |
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Depends on whether you call it a Ford or a Mercury 302. If run as a ford, it gets the 450cfm version of the motorcraft 4300 spread bore, air valve secondary carb. If called a Mercury, you are allowed to run a 600cfm 4150 holley.
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#13 |
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Why is that and how is that? So I have the original 70 block and matching heads. So hypothetically even though it’s from a ford mustang and I run it in my mustang in GT/QA or PA and say it’s a “mercury” engine I could run a 4150? Who checks this by the way? Forgive me for all the questions I’m new!
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#14 | |
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#15 | |
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#16 | |
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#17 | |
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Yes, you could use the piston that fits the 68 302 combo ( 4 valve reliefs), the 68 4V heads ( C80E-F) or the aluminum replacement head, which is the better head, and more cost effective. And as a Mercury that combo takes the Holley 600cfm 4150 carb. The 390, 428, 351c, even 351w are good combos to research also. I dont think the 2bbl 302 is good for Super Stock, Matt Hawk has played with the 302 2bbl and the carb is just too small for the hp rating.
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#18 |
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Mixing engine components does not make a hybrid. Using an engine by the same manufacturer that was not offered in your make-body is a hybrid.
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#19 |
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Gotcha so if I run a 390 combo I could run in GT since the 390 wasn’t offered in the 70 mustang? What about a 68 302 then? I couldn’t run it in GT since the 302 was offered in the 70 mustang?
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#20 |
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Different year engine combo can run in GT.
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