Convince me to build LS instead of BBC!!!
TECH Veteran
Joined: Dec 2001
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From: Ft. Lauderdale, FL, USA
I love the LSx motor, and a F1A on a built 454 small block with ETP heads and sheet aluminum intake would make all the power you would ever need (1500 I would imagine)...BUT for the money and especialy for a classic muscle car, this is what I would do:
http://www.ultrastreet.net/632_1000_bd.asp
$21,000 for a complete 632 pump gas daily driver that makes 1000 hp and 865 lb/ft tque without any power adder. A simple 250 shot plate system would make 8's possible in your car I would imagine, probably mid 9's on motor with this engine alone.
http://www.ultrastreet.net/632_1000_bd.asp
$21,000 for a complete 632 pump gas daily driver that makes 1000 hp and 865 lb/ft tque without any power adder. A simple 250 shot plate system would make 8's possible in your car I would imagine, probably mid 9's on motor with this engine alone.
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but with a big shot I would have to worry about race gas and refills.. i think im leaning more towards the procharger 540 since it will be "easier" to handle in its street form
i also dont have the funds to buy a motor outright... its more of buying a couple parts at a time..
i also dont have the funds to buy a motor outright... its more of buying a couple parts at a time..
TECH Veteran
Joined: Dec 2001
Posts: 4,117
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From: Ft. Lauderdale, FL, USA
thanks a bunch guys.. i wouldnt expect guys on an ls forum to be so unbiased..
what im tossing thru my head now is whether I should go with my originally planned 540 w/ procharger or the possibly cheaper 572+ cubes with a NO2 shot...
man i love thinking about this kinda stuff
what im tossing thru my head now is whether I should go with my originally planned 540 w/ procharger or the possibly cheaper 572+ cubes with a NO2 shot...
man i love thinking about this kinda stuff
I know, isn't it nice to hear people on an LSx forum tell you not to use one, it shows we're not just BS'ing you.
The LSx is great, but its not as good as BBC, and NEVER will be.
"A good BIG engine will always whip a good LITTLE engine."
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TECH Veteran
Joined: Dec 2001
Posts: 4,117
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From: Ft. Lauderdale, FL, USA
The best of both worlds is here.
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No you don't. There are dual fuel intakes with 16 injectors that are fed from a stand alone tank with race gas for when you hit the nitrous. Drive around all the time on pump gas and when you're ready to hit the nitrous your timing tuner will drop the timing and you're rewady for the funny button.
The best of both worlds is here.
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The best of both worlds is here.
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ahh always something ha... its a tough call but I just think the 632 wuld have way too much power to be enjoyed on the street.. I wouldnt even be able to play with the throttle... 540 built for a procharger wuld have "only" about 650 hp in "street form" as compared to a home built 632 havin about 850 in "street form"
as for budget.. I havent punched numbers yet but its more of a long term project so im in no rush.. If I have to wait a couple months to save for a better part I will.. I will prolly drive the car around without the blower for a while and then bolt it on when I get the funds. I guess you can say however much it costs to build a n EFI procharged 540 will be my max...
Last edited by gearhead1186; Nov 5, 2007 at 05:33 PM.
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Verdad Gallardo TECH Veteran
Joined: Dec 2001
Posts: 4,117
Likes: 0
From: Ft. Lauderdale, FL, USA
ahh always something ha... its a tough call but I just think the 632 wuld have way too much power to be enjoyed on the street.. I wouldnt even be able to play with the throttle... 540 built for a procharger wuld have "only" about 650 hp in "street form" as compared to a home built 632 havin about 850 in "street form"
as for budget.. I havent punched numbers yet but its more of a long term project so im in no rush.. If I have to wait a couple months to save for a better part I will.. I will prolly drive the car around without the blower for a while and then bolt it on when I get the funds. I guess you can say however much it costs to build a n EFI procharged 540 will be my max...
as for budget.. I havent punched numbers yet but its more of a long term project so im in no rush.. If I have to wait a couple months to save for a better part I will.. I will prolly drive the car around without the blower for a while and then bolt it on when I get the funds. I guess you can say however much it costs to build a n EFI procharged 540 will be my max...
NRE makes those dual fuel intakes to work up to 2,300 hp Twin-Turbo small block 454ci's.
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TECH Veteran
Joined: Dec 2001
Posts: 4,117
Likes: 0
From: Ft. Lauderdale, FL, USA
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that seems pricey... I would also have to factor in all the bottle refills.. with a big shot refills will add up quick.. i think id rather put up with the bigger initial cost of a procharger and always be able to add an intercooler in the future and dial up the boost.. i think a procharger sitting on the side of a big block just looks dead sexy..
while we are on the topic of ecm and fuel management what would you suggest with a budget in mind... ive looked at FAST and ACCEL DFI so far...
while we are on the topic of ecm and fuel management what would you suggest with a budget in mind... ive looked at FAST and ACCEL DFI so far...
TECH Veteran
Joined: Dec 2001
Posts: 4,117
Likes: 0
From: Ft. Lauderdale, FL, USA
that seems pricey... I would also have to factor in all the bottle refills.. with a big shot refills will add up quick.. i think id rather put up with the bigger initial cost of a procharger and always be able to add an intercooler in the future and dial up the boost.. i think a procharger sitting on the side of a big block just looks dead sexy..
while we are on the topic of ecm and fuel management what would you suggest with a budget in mind... ive looked at FAST and ACCEL DFI so far...
while we are on the topic of ecm and fuel management what would you suggest with a budget in mind... ive looked at FAST and ACCEL DFI so far...
Might want to ask thois in the "PCM" section.
Another builder FTM (Fast Times Motorworks) builds a BBC, I think its 598ci and a Procharger at 6psi. 1,000 hp. He told me if I want for $3,000 additional it can make 1,500 hp., upgraded blower.
.
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I love the LSx motor, and a F1A on a built 454 small block with ETP heads and sheet aluminum intake would make all the power you would ever need (1500 I would imagine)...BUT for the money and especialy for a classic muscle car, this is what I would do:
http://www.ultrastreet.net/632_1000_bd.asp
$21,000 for a complete 632 pump gas daily driver that makes 1000 hp and 865 lb/ft tque without any power adder. A simple 250 shot plate system would make 8's possible in your car I would imagine, probably mid 9's on motor with this engine alone.
http://www.ultrastreet.net/632_1000_bd.asp
$21,000 for a complete 632 pump gas daily driver that makes 1000 hp and 865 lb/ft tque without any power adder. A simple 250 shot plate system would make 8's possible in your car I would imagine, probably mid 9's on motor with this engine alone.
Granted, the ultimate power potential is higher with a BBC. The OP wanted to know about for 1000 fwhp. For that hp level I wouldn' build anything but a ls.
lsx block 427 with the F1A/C/R. Correct internals, correct builder. It will be dead nuts reliable, and last a long time. JMPO
im pretty set on a 540 with a procharger for simplicity as opposed to a 632 with a NO2 shot with separate fuel tank and 16 injectors and all.
for drivetrain i plan on a worked T56 or the Gforce T56.. usual beefed up rear end with axles with a form of trac lock with 3.50 or so gears.
for chassis ill do any kind of weld in or bolt in stiffeners or connectors i can find.. new A-arms and all... for the rear no sure if im gonna stick with the stock geometry or go for a 4 link...
for drivetrain i plan on a worked T56 or the Gforce T56.. usual beefed up rear end with axles with a form of trac lock with 3.50 or so gears.
for chassis ill do any kind of weld in or bolt in stiffeners or connectors i can find.. new A-arms and all... for the rear no sure if im gonna stick with the stock geometry or go for a 4 link...
TECH Veteran
Joined: Dec 2001
Posts: 4,117
Likes: 0
From: Ft. Lauderdale, FL, USA
im pretty set on a 540 with a procharger for simplicity as opposed to a 632 with a NO2 shot with separate fuel tank and 16 injectors and all.
for drivetrain i plan on a worked T56 or the Gforce T56.. usual beefed up rear end with axles with a form of trac lock with 3.50 or so gears.
for chassis ill do any kind of weld in or bolt in stiffeners or connectors i can find.. new A-arms and all... for the rear no sure if im gonna stick with the stock geometry or go for a 4 link...
for drivetrain i plan on a worked T56 or the Gforce T56.. usual beefed up rear end with axles with a form of trac lock with 3.50 or so gears.
for chassis ill do any kind of weld in or bolt in stiffeners or connectors i can find.. new A-arms and all... for the rear no sure if im gonna stick with the stock geometry or go for a 4 link...
Then pull off the track and drive it 150 miles back home on pump gas with no problem at all.
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TECH Veteran
Joined: Dec 2001
Posts: 4,117
Likes: 0
From: Ft. Lauderdale, FL, USA
Decisions, decisions....woo-hoo, it'll drive ya ****** NUTS!!!!!!
I've been in the same boat for almost a year with what the hell I want to stuff into a car next. I drive people CRAZY around here.
But ya gotta keep asking and driving everyone batty if you want to get what you really want in the end.
I've been in the same boat for almost a year with what the hell I want to stuff into a car next. I drive people CRAZY around here.
But ya gotta keep asking and driving everyone batty if you want to get what you really want in the end.