06-29-2005, 10:03 PM | #11 |
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Re: what year 4.6s...
Did a '99 GT come with an automatic? If so; then there's a flexplate for 8-bolt cranks. '99 GT's had a "Windsor" 8-bolt crank. Not to be confused with a Cobra crank though...just the GT crank w/ 8-bolt in '99. I cannot think the Mach w/ an automatic would have a different crank than a 5-speed. It's a Cobra engine isn't it?!
I remember when the 96 GT 4.6 came out: weaker than the 5.0, but more responsive to a Vortech. Any mod-motor is a good platform for unnatural-aspiration...just be judicious with boost pressure. And watch out for lean condition on the jug...that's the killer on pistons.
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06-29-2005, 10:30 PM | #12 | ||
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Re: what year 4.6s...
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06-29-2005, 11:12 PM | #13 | |
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Re: what year 4.6s...
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06-29-2005, 11:50 PM | #14 |
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Re: what year 4.6s...
Good Grief!!! I read about it. What a disaster.
And it's got a 99 Cobra intake, 5.4L truck intake cams, and one-off exhaust cams.
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06-30-2005, 06:41 AM | #15 | |
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Re: what year 4.6s...
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06-30-2005, 07:36 AM | #16 |
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Re: what year 4.6s...
Yep, the mach autos had a cast crank. I didnt know about the compression ratio being higher.
I have heard of early failures in supercharged gt's as well. Comes down to the tune really. |
06-30-2005, 10:03 AM | #17 | |
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Re: what year 4.6s...
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06-30-2005, 10:47 AM | #18 |
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Re: what year 4.6s...
Most people running superchargers on Mach's seem to be fine running a good tune and anything under 9-10psi. From the research I've done on M1R, and some other sites.
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06-30-2005, 11:58 AM | #19 | |
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Re: what year 4.6s...
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Heads are the rectangular style DOHC's (like the Navi's), Intake is the 99-01 Cobra piece, Cams are Navigator intake and 99-01 Exhaust.
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06-30-2005, 12:02 PM | #20 | |||
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Re: what year 4.6s...
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Let's see if we can get a few more guesses in here... sooner or later someone's bound to get it right.
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