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Got to love an Alum Motor :smt023
Heat up in one sec, cool down in one sec

Only prob sometimes associated with them is, the constant swing of temps,
can sometimes not be a good thing. I had a RX Turbo some years ago, (POS Subaru)
and on a sub zero cold winter morning, I could be up to operating temp by the end of my block (0f course that was holding 1st gear @ 6k with the Turbo screaming) hehehe
but one thing I always noticed was, ANYTIME you got into the boost, you can watch the temp guage move like a tach, get off the pedal, wam it went down as quick.
The results were 3 Blocks and 5 Turbo Chargers replaced under wrrnty due to hair line cracks, it seems those constant swing of temps can take their toll ???
Don't know what we could expect on a S/C Beast like the 5.4's ??? :smt102
Intercoolers have come a long way, cooling systems also.

Either way EWW EWW, I WANT ONE :D
 

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ROb,

If you had that block would you really drive it in the Cold temps or snow?
 

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Discussion Starter · #4 ·
FWIW, 96-01 Cobra's had aluminum blocks.
Of course, I don't live in the snow, so, I can't answer to that part of it.

However, I did push it to 461 hp and it ran strong and reliably. There was someone that had a 1000 hp or close to with
turbos on that block. God I loved that motor... revved to 6800 rpm and made power all the way up to redline.
When I was in boost (Vortech) you would only see temps rising if you were getting detonation.
Once I got the tune right, I could do a sustained 130 mph run in boost and it wouldn't climb in temps at all.

So, yeah I want one too if it is as strong as the 4.6 32V Ford aluminum ones.
Less weight, better heat dissipation = better 1/4 mi times
 
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