Best ls based engine for my resto Stingray
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Joined: Jan 2009
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Best ls based engine for my resto Stingray I am new here and I figured this would be the place to get some good pointers and ideas for my build
Project-
I need to wrap up my frame off rest on my 73 vette with the perfect engine. I want to build a 427 sbc LS based engine or something recommended by those with experience on the board. So which to choose LS2, LS3, LS6??
I can fit a Magnussen supercharger under the hood also so I will use this to get the power levels up. I need help with picking a combo that can yield 600-750rwhp and streetable.
So what parts would you pick???
1. displacement
2. heads
3. Engine management
I want to use parts that are the best and most easily accesible?
Thanks
Project-
I need to wrap up my frame off rest on my 73 vette with the perfect engine. I want to build a 427 sbc LS based engine or something recommended by those with experience on the board. So which to choose LS2, LS3, LS6??
I can fit a Magnussen supercharger under the hood also so I will use this to get the power levels up. I need help with picking a combo that can yield 600-750rwhp and streetable.
So what parts would you pick???
1. displacement
2. heads
3. Engine management
I want to use parts that are the best and most easily accesible?
Thanks
LSX block 427 ci Since you want to go FI, I'd say LSX block and 4.125 bore with 4" stroke for 427.
If you needed to bore or hone it again, there would be plenty of iron left.
BTW, Nice camaro SS Dave !
If you needed to bore or hone it again, there would be plenty of iron left.
BTW, Nice camaro SS Dave !
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Joined: Jun 2002
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From: Upstate NY
I am new here and I figured this would be the place to get some good pointers and ideas for my build
Project-
I need to wrap up my frame off rest on my 73 vette with the perfect engine. I want to build a 427 sbc LS based engine or something recommended by those with experience on the board. So which to choose LS2, LS3, LS6??
I can fit a Magnussen supercharger under the hood also so I will use this to get the power levels up. I need help with picking a combo that can yield 600-750rwhp and streetable.
So what parts would you pick???
1. displacement
2. heads
3. Engine management
I want to use parts that are the best and most easily accesible?
Thanks
Project-
I need to wrap up my frame off rest on my 73 vette with the perfect engine. I want to build a 427 sbc LS based engine or something recommended by those with experience on the board. So which to choose LS2, LS3, LS6??
I can fit a Magnussen supercharger under the hood also so I will use this to get the power levels up. I need help with picking a combo that can yield 600-750rwhp and streetable.
So what parts would you pick???
1. displacement
2. heads
3. Engine management
I want to use parts that are the best and most easily accesible?
Thanks
FWIW, have you ever driven a 700+rwhp 70's Vette on the street in anger?
If it were my car, I'd do up a single-plane EFI 402-408 inch LS engine and make it look as much like a BBC as I could. 500+ at the tires has been done relatively easily and it is super-streetable. It ain't slow either!
To each his own.
Good luck.
Jon
Last edited by Old SStroker; Jan 29, 2009 at 06:14 PM.
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LS3 with a TVS 1900 on top sounds like a lot of fun to me. I had a '73 vert back in the day. Low compression 350 that barely had enough power to get out of its own way. It was good lookin' and produced a lot of memories . Had a soft top and removeable hard top. A classic like that with 500 hp at the wheels and perfect street manners would be a blast. If you could fit a 5 or 6 speed behind it, that would be the ultimate fun ride in my mind.
They are just now bringing the newer magnuson blowers to market. I had an mp 112 and now a 122 on 5.3 & 6L truck engines. They snap a 5000# truck around with ease. A 3000# vette with a new generation magnuson on top would be scarry fast.
They are just now bringing the newer magnuson blowers to market. I had an mp 112 and now a 122 on 5.3 & 6L truck engines. They snap a 5000# truck around with ease. A 3000# vette with a new generation magnuson on top would be scarry fast.
if you check out the february 09 issure of HOTROD they show a chevy small block new block from World Castings that accepts LS cylinder heads but uses standard chevy small block architecture. its called the Motown LS hybrid . the engine in the article had a 4 inch stroke and 4.125 inch bore (427ci). heres a quote
"The very first pull on World's dyno netted 629 hp and 579 lb-ft. That's about 70 hp more than one of World's regular Motown small-block 427s and about 15 more than the company's typical Warhawk LS combos."
the heads are ported World Products Warhawk LS-1s, any LS intake bolts right up because it has an LS-production deck height, and the distributor drops in at the rear like a sbc but uses the firing order of a LS.
thought that article was cool and if i was doing a frame off resto thats what id go with.
"The very first pull on World's dyno netted 629 hp and 579 lb-ft. That's about 70 hp more than one of World's regular Motown small-block 427s and about 15 more than the company's typical Warhawk LS combos."
the heads are ported World Products Warhawk LS-1s, any LS intake bolts right up because it has an LS-production deck height, and the distributor drops in at the rear like a sbc but uses the firing order of a LS.
thought that article was cool and if i was doing a frame off resto thats what id go with.
if you check out the february 09 issure of HOTROD they show a chevy small block new block from World Castings that accepts LS cylinder heads but uses standard chevy small block architecture. its called the Motown LS hybrid . the engine in the article had a 4 inch stroke and 4.125 inch bore (427ci). heres a quote
"The very first pull on World's dyno netted 629 hp and 579 lb-ft. That's about 70 hp more than one of World's regular Motown small-block 427s and about 15 more than the company's typical Warhawk LS combos."
the heads are ported World Products Warhawk LS-1s, any LS intake bolts right up because it has an LS-production deck height, and the distributor drops in at the rear like a sbc but uses the firing order of a LS.
thought that article was cool and if i was doing a frame off resto thats what id go with.
"The very first pull on World's dyno netted 629 hp and 579 lb-ft. That's about 70 hp more than one of World's regular Motown small-block 427s and about 15 more than the company's typical Warhawk LS combos."
the heads are ported World Products Warhawk LS-1s, any LS intake bolts right up because it has an LS-production deck height, and the distributor drops in at the rear like a sbc but uses the firing order of a LS.
thought that article was cool and if i was doing a frame off resto thats what id go with.
Yeah I read that article. Very interesting. There have been have few good articles in there lately. Did you see the one about the Salem speed shop?
I might take a drive and go check it out just to talk to the guy.
