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originally posted in:The Garage
7/5/2017 8:19:22 PM
13
Always wanted to know, what do they mean by stage 1, mostly top end engine work heads, intake, exhaust?
English
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[quote]For an extra $115, buyers could have obtained the Stage 1 option. Its cylinder heads were massaged to accept larger 2.12/1.75-inch intake/exhaust valves, and compression was increased from 10.0:1 to 10.5:1. Diving deeper into the block, a more aggressive camshaft was installed touting an intake/exhaust lift of 0.490-inch with 316/340 degrees of duration. Officially these changes generated just 10 additional horses; however, a more realistic output rating is believed to have been closer to 395 hp, if not higher.[/quote] This was only on the GSX. It was the only factory muscle car that could actually defeat a Hemi powered Chrysler product of the era. Bone stock 455 Stage 1 motors have been dyno'ed at 400+ hp with 455 ft/lbs of torque. Quite the upgrade for only $115.00.
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Thanks for rubbing it in bout beating the mighty hemi, but I understand why it's faster, it has massive torque like 500+ at 4800 rpm or something
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Stage 1 cars from Buick all had 455's, posi trac differentials , headwork, and a cam I believe. Maybe some other stuff too.
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I know with Roush, it was usually suspension & mild engine improvements, maybe a body kit, if I remember correctly. Basically, if you could not afford the full badass car, you could build it in stages, as you could afford.
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Edited by Cobravert: 7/6/2017 3:14:37 PM[quote]For an extra $115, buyers could have obtained the Stage 1 option. Its cylinder heads were massaged to accept larger 2.12/1.75-inch intake/exhaust valves, and compression was increased from 10.0:1 to 10.5:1. Diving deeper into the block, a more aggressive camshaft was installed touting an intake/exhaust lift of 0.490-inch with 316/340 degrees of duration. Officially these changes generated just 10 additional horses; however, a more realistic output rating is believed to have been closer to 395 hp, if not higher.[/quote] This was only on the GSX. It was the only factory muscle car that could actually defeat a Hemi powered Chrysler product of the era. Bone stock 455 Stage 1 motors have been dyno'ed at 400+ hp with 455 ft/lbs of torque. Quite the upgrade for only $115.00. A Roush Stage I-III are different packages from mild motor and appearance mods to the III being basically the equivalent of a Shelby GT500. I don't know why anyone would bother with a Stage I Roush. Go big or mod it yourself.
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Actually, I meant to respond to the other guy.... My mistake.
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You can buy the upgrade kits to make your stage 1 a stage 2 & your stage 2 a stage 3. It is a money thing. Some people have the money to buy a stage 3 & some do not, but they want that, so they buy the next stage kit when they can afford it. I do not understand the fools that buy stage 1 for the appearance package, then try to convince people they have a stage 3. I was just referencing something current to help explain what the guy was asking.
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Nah back in these days it meant something and this stage 1 got you a 455.
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That was the GSX. Stage 1 was an additional package beyond that.
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Ah my mistake.
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If someone says "my car is stage 1" I immediately know they have no -blam!-ing clue what they're talking about.
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Like I said above GS stage 1s are 455's and come from the factory with some nice work done so don't automatically assume that if they say they have a GS stage 1.
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Edited by kindkitten90593: 7/6/2017 2:55:33 PMI didn't mean you, I meant in general:) If the factory calls a car "stage 1/2/3" it's fine. I meant when cars are modded it makes you/them look silly. Sorry for the mixup
