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Old 07-09-2007, 03:35 PM   #21
Don Whitmore
Join Date: Aug 2004
Location: Central Illinois
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Cool Re: turbocharged quad-4????

Bob Mulry/Bill Dedman,

I remember the 'Iron Dukes' in the Fieros, but couldn't remember if the Fieros 'morphed' to the 'Quad-4s'. The 'Iron Dukes didn't quite live up to their namesake.

I do remember GM introducing the 'Quad-4' with a lot of fanfare and also seem to remember the racing community looking favorably at that engine. The question is: 'What happened?' Why did it fall on it's face?

When that engine was introduced, a whole new generation was being introduced to the Honda juggernaut. GM has never recaptured those kids and probably never will, IMO, a HUGE miscalculation on GM's part.

D. Whitmore
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Old 07-09-2007, 10:18 PM   #22
larry dowty
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Default Re: turbocharged quad-4????

Bill i race a quad 4 in super stock with some success, i looked for a turb car when i started and never did find one, now i know why.
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Old 07-09-2007, 11:43 PM   #23
bill dedman
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Default Re: turbocharged quad-4????

That's a cool engine! I'd never seen anything about them releasing a turbo version, and I figured if they DID, it would have made quite a splash (can you say "volumetric efficiency"?) LOL!!!

Too bad; it would have been a killer....

Bill, in Conway, AR
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Old 07-14-2007, 02:11 AM   #24
Jim Wahl
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Talking Re: turbocharged quad-4????

Bill, as you may remember I ran a 2.8 V6 Cadillac FWD for many years with GM sponsorship through Hydramatic. The Quad 4 Olds was my main competition for many years. The fastest I remember being the one fielded by Russ Abrams. To my knowledge no Quad 4 was ever produced, from the factory, with a turbo. BTW the Quad 4 was first produced in 1989 in the Olds Calais. You might want to contact Russ at GM Hydramatic, he currently runs a SS/IA Pontiac Firebird and posts on both forums.Jim
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Old 07-17-2007, 12:05 AM   #25
bill dedman
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Default Re: turbocharged quad-4????


I had already talked to Russ, and he'd agreed with you that there were NO turbocharged Quad 4's ever sold to the public in an OEM application.

I didn't think there were.

Thanks for the info!!!

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