Sorry, I've read this thread a couple times and have to comment:
Quote:
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Do the some thing to a Chevy (Ford, Dodge, Datson,etc.) That comes on a stock 911 ,dry sump, webbers, sodium filled valves, bearing girdles etc. to make relaible usable power and you will spend BIG bucks.
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When a 120K mile tired '84
207 horsepower 3.2L is selling for
$4000+
And you can buy a complete '03 Corvette
350 horsepower LS1 for $3000....
Link for a 9K mile LS1 for $3000
The LS1 weighs about 385 pounds dressed, very similar to a 3.2L in similar dress, and much less than a 3.3 Turbo (about 500lbs). The LS1/LS6/LS2 has an all-aluminum cross-bolted 6-bolt-main ‘girdled’ block. The LS6 heads (Corvette ZO6) come from GM with sodium-filled exhaust valves and hollow-stem intake valves (and they’re available brand-new from your local GM dealer
for about $750 a pair, assembled)
For anyone who is interested, you can build (with BRAND NEW PARTS) a 6.6L (402 cu in - 4.00" std bore and 4.00" stroker crank) all-aluminum LS2-based V8 that will make between 520 and 600 horsepower and 520-550 lb-ft for under $10000 including fuel injection (used computer).
Scoggin-Dickey sells the 'short-block' (forged crank/rods/pistons), assembled and balanced for
$4000, new
Custom camshafts run about $500 (and some MUCH less)
The composite LS2 intake runs $250, brand new from GM
CNC 90mm Throttle bodies are $500 or less, new
Fuel injectors are $50 each, new
Here is a link to the dyno chart on a 580hp iron blocked 6.6L
Could you build a twin-plug 3.7L for the same money? Would it make within 100 hp or 100 lb-ft? It would weigh about the same.
As for the conversion components and their expense:
Doesn't a good oil cooler and Elephant oil cooler lines cost a couple grand?
The radiator conversion costs about that
About the 'return on investment':
Think about the guys who spend $25000 on a 500hp Turbo upgrade/rebuild....how much of that do you get back? How about a twin-plug 3.7L?
If you had a tired '84 Carrera 3.2L you could exchange your engine for a rebuilt through Motor Meisters for $4000, and still be at 207-250hp.
OR,
Sell your tired motor for
$4000
Buy a NEW 400hp LS2 crate motor from any GM dealer for
$5900
Buy a conversion kit from Renegade $1500
Do the radiator kit $1500-2000
Sell your oil cooler w/ fan, oil lines, oil tank
$800
Leave $2000 in the 'misc' category
So it nets out that a NEW
400hp, 400lb-ft Chev motor is about a $2000 upgrade from a rebuilt
207hp 3.2L Porsche motor
I'm not sure you could do a 3.6L conversion for twice that $$
I realize that there are oversimplifications BOTH ways here.....but the point can be made for affordable American V8 power, and the technology of today's V8's compare favorably to the tech of our '70-80's 911's.
I've had the opportunity to put a new 2005 997 and a new 2005 Corvette through the paces on a race track, and I'm impressed with both. The Corvette's motor is incredible. The 997 is razor sharp. Best of both worlds?
I'll put on my nomex (flame retardant) suit
E