H3 FAQ - Factory Specs

Originally Posted by fourfourto

I thought the MPG on the 07's droped to 15 city?

Yep. And new revised ratings will be lower for all, and meant to better reflect real mileage.

This is a great reference chart, for folks wanting to know the difference. Maybe it should be made into a Sticky.

[f5fstop]

2008 Alpha
Engine - 5.3L V8 MFI
Engine Material - aluminum block
HP - 292 @ 5200 rpm
Torque (lb-ft) - 317 @ 4000 rpm
Fuel Induction - MFI
Bore x stroke ? 3.78x3.62 in
Displacement ? 325 ci (5.3L)
Compression ratio ? 9.95:1
Valve gear - OHV
Fuel ? 87 octane
Est MPG (auto) - TBD
Est MPG (man) ? NO MANUAL TRANS

[Wisha Haddan H3]

Originally Posted by f5fstop

2008 Alpha
Engine - 5.3L V8 MFI
Engine Material - aluminum block
HP - 292 @ 5200 rpm
Torque (lb-ft) - 317 @ 4000 rpm
Fuel Induction - MFI
Bore x stroke ? 3.78x3.62 in
Displacement ? 325 ci (5.3L)
Compression ratio ? 9.95:1
Valve gear - OHV
Fuel ? 87 octane
Est MPG (auto) - TBD
Est MPG (man) ? NO MANUAL TRANS

Thanks f5! My edit rights ran out on the post, but I'll ask humbebe to add your info

[ChevyHighPerformance]

Ground clearance: 8.5 inches (32 inch tires), 9.1 inches (33 inch tires)

Approach angle: 37.5 degrees (32 inch tires), 39.4 degrees (33 inch tires)

Departure angle: 35.5 degrees (32 inch tires), 36.5 degrees(33 inch tires)

Breakover angle: 23.5 degrees (32 inch tires), 25.0 degrees(33 inch tires)

[LesC.]

Originally Posted by f5fstop

2008 Alpha
Engine - 5.3L V8 MFI
Engine Material - aluminum block
HP - 292 @ 5200 rpm
Torque (lb-ft) - 317 @ 4000 rpm
Fuel Induction - MFI
Bore x stroke – 3.78x3.62 in
Displacement – 325 ci (5.3L)
Compression ratio – 9.95:1
Valve gear - OHV
Fuel – 87 octane
Est MPG (auto) - TBD
Est MPG (man) – NO MANUAL TRANS

08 alpha (auto) observed mpg = 17mpg
haven't checked around town mpg .... I may not want to.