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john02b · 09-19-2002, 10:15 PM

I love big blocks, wish I knew more. But it sounds like the
270 number is off. The 320 sounds like a hi-po motor. I think
those are alot different, headers, carbs, compresson and cams.
The 406, which didn't come in Mustangs is only rated at about 406 horse, and that is the next step up from the hi-po 390.
Well thats my opinion, I 'am sure there are plenty of better ones out there.
If you can get a hi-po do it, those are great motors.

09-19-2002, 10:15 PM	#4
john02b Registered Member Join Date: Jan 2001 Location: brem., wa. usa Posts: 5	I love big blocks, wish I knew more. But it sounds like the 270 number is off. The 320 sounds like a hi-po motor. I think those are alot different, headers, carbs, compresson and cams. The 406, which didn't come in Mustangs is only rated at about 406 horse, and that is the next step up from the hi-po 390. Well thats my opinion, I 'am sure there are plenty of better ones out there. If you can get a hi-po do it, those are great motors.