L 82 and L 48

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May 8, 2002 | 11:13 PM

Mighty Mouse

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Intermediate

Joined: Apr 2002

Posts: 49

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From: Sault Ste Marie Mi

L 82 and L 48

What is the difference between the L 82 and the L 48 that gives the L 82 the extra ponies? :D

May 8, 2002 | 11:18 PM

Ganey

Race Director

Joined: Apr 1999

Posts: 11,520

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From: CORVETTE 77 385 C.I. TEXAS

Re: L 82 and L 48 (Mighty Mouse)

Mainly more cam & larger valves. A little more c/r as well.

May 8, 2002 | 11:18 PM

EarnIt

Instructor

Joined: Oct 2001

Posts: 169

Likes: 2

From: Glen Aubrey NY

Re: L 82 and L 48 (Mighty Mouse)

The L82 has a bigger cam, better heads, and I believe a better intake manifold.

May 8, 2002 | 11:44 PM

73-454

Burning Brakes

Joined: Nov 2001

Posts: 787

Likes: 1

From: Toronto Ontario

Re: L 82 and L 48 (Ganey)

L82 is a de-tuned 1970 350/350 engine just lower compression and more polution related stuff. As a matter of fact the Goodwrench crate engine is based on a 4 bolt maine L82 engine and the good news is you can buy it for less then $1400 with a 3 year warranty.

May 8, 2002 | 11:47 PM

Tom73

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Joined: Apr 1999

Posts: 15,148

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From: NM

Re: L 82 and L 48 (Mighty Mouse)

Cam and compression. Plus a little help from larger valves. The big plus for the L82 is a stronger lower end with forged parts and 4-bolt mains. And depending upon year, the L82 had 2 1/2 inch exhaust vs the L48 2 inch exhaust.

tom...

May 9, 2002 | 12:53 PM

vettedan

Drifting

Joined: Aug 2000

Posts: 1,758

Likes: 4

From: Medford, Or

Re: L 82 and L 48 (Tom73)

Tom73-Dittos to all above. '78 L82's and up came with dual snorkel air filter.
Dan

May 9, 2002 | 01:06 PM

Fevre

Race Director

Joined: Mar 2001

Posts: 11,322

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From: Living in the Hartland

Re: L 82 and L 48 (73-454)

But cast not forged crank, cast pistons and small cam. Got one and it is worth the money. If I keep it, I will put the aluminum heads on and it should be a nice little engine with about 330 horse.

May 10, 2002 | 02:46 AM

KenKathy

Cruising

Joined: Apr 2002

Posts: 14

Likes: 0

From: Spokane WA

Re: L 82 and L 48 (Mighty Mouse)

I have a 74 w/ L82 and I would like more technical data, 250hp vs 195 for the base 350, sounds like a lot to me, any ideas to find more data, anyone? :confused:

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May 10, 2002 | 09:27 AM

Tom73

Race Director

Joined: Apr 1999

Posts: 15,148

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From: NM

Re: L 82 and L 48 (KenKathy)

Ken,
The 74 is basicly the same as the 73, so take a look at The '73 Spot for details. Here is the direct like to the specs page: http://www.corvetteforum.net/c3/vette73/compair.htm

tom...