Allow me to clear the air about some stuff....
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That 3.4 Yamaha has lots of power but is as unreliable as engines get, unless you drive a Kia or a Mazda Rotary, and rare (expensive) to boot.
guess again. The 3.4's got a pretty solid maintenance history. For example, i've had my 98 since fall of 2005. Since then, I've replaced a single ignition coil, an alternator, a fuel pump, struts and springs. yeah, that's unreliable. Oh yeah, and that's over about 80,000 miles.
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i thought it was only the 2nd gen shows that were unreliable. somethin about a pin in the cams?
Nope. The cam issue was with the V8. basically, ford engineers smoked a bit too much pot on the day they designed the timing gear between the camshafts on the V8. Yamaha designed the heads, ford modified them slightly and built em, screwing the V8 guys outta a really sexy intake manifold in the process. Anywho, basically the timing gear, rather than being attached to the cam in some way, was simply pressed on. The resulting give in the gears created quite a mess between the valves and the pistons. A quick and easy fix is to yank the valve covers and either drill a hole through the cam and gear and squeeze a pin in there, or just weld the damn sprockets to the cams. Personally, mine's been welded.
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I think SuperWedgie replaced his 3.0 with a 3.2, but I'm not 100% sure.
Correct. A common swap amongst the gen I/II (89-95) SHO owners is to bolt the 3.2 block to the 3.0 heads (or just intake cams). The purpose is obviously more displacement, and the intake cams on the 3.2 when coupled to the autotragic were .315 lift vs .330, and they lost some duration as well. The swap is worth about 20lb-ft of torque and in the neighborhood of 25-35hp, depending on the health of the 3.2.
Allow me to clear the air about some stuff....
QUOTE
That 3.4 Yamaha has lots of power but is as unreliable as engines get, unless you drive a Kia or a Mazda Rotary, and rare (expensive) to boot.
guess again. The 3.4's got a pretty solid maintenance history. For example, i've had my 98 since fall of 2005. Since then, I've replaced a single ignition coil, an alternator, a fuel pump, struts and springs. yeah, that's unreliable. Oh yeah, and that's over about 80,000 miles.
QUOTE
i thought it was only the 2nd gen shows that were unreliable. somethin about a pin in the cams?
Nope. The cam issue was with the V8. basically, ford engineers smoked a bit too much pot on the day they designed the timing gear between the camshafts on the V8. Yamaha designed the heads, ford modified them slightly and built em, screwing the V8 guys outta a really sexy intake manifold in the process. Anywho, basically the timing gear, rather than being attached to the cam in some way, was simply pressed on. The resulting give in the gears created quite a mess between the valves and the pistons. A quick and easy fix is to yank the valve covers and either drill a hole through the cam and gear and squeeze a pin in there, or just weld the damn sprockets to the cams. Personally, mine's been welded.
QUOTE
I think SuperWedgie replaced his 3.0 with a 3.2, but I'm not 100% sure.
Correct. A common swap amongst the gen I/II (89-95) SHO owners is to bolt the 3.2 block to the 3.0 heads (or just intake cams). The purpose is obviously more displacement, and the intake cams on the 3.2 when coupled to the autotragic were .315 lift vs .330, and they lost some duration as well. The swap is worth about 20lb-ft of torque and in the neighborhood of 25-35hp, depending on the health of the 3.2.
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My step-dad still can't figure out whats wrong with his....
What's it doing? I'm pretty sure I could find out what's wrong with it in a very short amount of time.