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Old 11-24-2007, 06:02 AM   #1
mkodama
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What's the lightest/smallest V8 engine in a common production car?

What's the lightest/smallest V8 engine in a common production car, new or old? Just curious about other motors you could fit in an E46.
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Old 11-24-2007, 06:19 AM   #2
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Isn't the E92 M3's V8 unbelievably light? Its lighter than the S54 so that means its gotta be light as hell, especially considering that its a V8.
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Old 11-24-2007, 06:28 AM   #3
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Im doing an E92 M3 engine swap into my 330.
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Old 11-24-2007, 06:29 AM   #4
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Don't confuse engine displacement for physical size; they can be totally different things.

People do tons of Chevy V8 conversions into Porsche 911s. The 5.7L V8 is physically the same size and same weight (w/ Aluminum Heads) as the Boxer 6 motor it replaced. If you use an LS-1 V8, it's actually lighter than the NA 3.0L boxer-6.
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Old 11-24-2007, 06:55 AM   #5
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Don't confuse engine displacement for physical size; they can be totally different things.

People do tons of Chevy V8 conversions into Porsche 911s. The 5.7L V8 is physically the same size and same weight (w/ Aluminum Heads) as the Boxer 6 motor it replaced. If you use an LS-1 V8, it's actually lighter than the NA 3.0L boxer-6.
Nothing against Chevy, but the thought of one of their engines in a 911 just nauseates me. What about the sound?
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Old 11-24-2007, 07:01 AM   #6
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Nothing against Chevy, but the thought of one of their engines in a 911 just nauseates me. What about the sound?
Hows that? It's been done for years, and makes perfect sense on older 911s. With an LS-1 V8 conversion, you now have an engine that is lighter, much more powerful, gets better mileage, and cheaper to maintain.

Renegade Hybrids has been around for a while, and they perfected 911 V8/Hybrids. Here is there webpage: http://www.renegadehybrids.com/
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Old 11-24-2007, 07:01 AM   #7
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Nothing against Chevy, but the thought of one of their engines in a 911 just nauseates me. What about the sound?
400hp, indestructable, 30mpg on the highway, 400+ ftlbs of tq...........The sound you dream about....Parts are inexpensive....I'd take a 911 with that swap anyday....Along with and RX8, RX 7
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Old 11-24-2007, 07:22 AM   #8
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Old 11-24-2007, 07:26 AM   #9
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Old 11-24-2007, 09:01 AM   #10
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i heard somewhere that the AMV8s engine is ridiculously lightweight
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Old 11-24-2007, 11:10 AM   #11
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Is it safe to say that GM makes the worlds best V8 engine(LS 2)? Seems like americans make the best V8s and germans make the best 6 cylinder engines(BMW, Porsche)?
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Old 11-24-2007, 11:10 AM   #12
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AM V8 is just a retuned Jag engine






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Old 11-24-2007, 11:11 AM   #13
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Is it safe to say that GM makes the worlds best V8 engine(LS 2)? Seems like americans make the best V8s and germans make the best 6 cylinder engines(BMW, Porsche)?
nope

Ferrari
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Old 11-24-2007, 11:18 AM   #14
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News to me. Never knew the Chevy engines where that reliable.
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Old 11-24-2007, 11:19 AM   #15
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nope

Ferrari
Yea Ferrari makes the best v8's in the world. Along with v12 too, like in the enzo, which was a former formula 1 engine that ferrari designed.
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Old 11-24-2007, 11:21 AM   #16
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News to me. Never knew the Chevy engines where that reliable.
yes they are.
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Old 11-24-2007, 11:21 AM   #17
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Old 11-24-2007, 11:32 AM   #18
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nope

Ferrari
What kind of gas mileage do they get? What kind of engine longevity (as in miles) do they have? Parts availability? Repair costs? What exactly is better in the Ferrari V8 versus the LSx (2?) engine from GM?
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Old 11-24-2007, 11:34 AM   #19
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What kind of gas mileage do they get? What kind of engine longevity (as in miles) do they have? Parts availability? Repair costs? What exactly is better in the Ferrari V8 versus the LSx (2?) engine from GM?

Can't get parts..

No one works on them..

If you get parts or service....I hope you have deeeeeeep pockets

Mpg is not even close to GM"s
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Old 11-24-2007, 11:48 AM   #20
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What kind of gas mileage do they get? What kind of engine longevity (as in miles) do they have? Parts availability? Repair costs? What exactly is better in the Ferrari V8 versus the LSx (2?) engine from GM?
reliability? you have to get a 10,000$ belt service every 10,000 miles, that also knocks out repair cost

and they only make 400 hp, but the no valve overlap is
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