LS1 or what?
Thread Starter
Racer
Joined: May 2008
Posts: 285
Likes: 0
From: Reno, Nevada
LS1 or what?
Considering building a fresh and new 402 forged motor to take place of my blown LS1 with 50k on the clock. My goal is to ahieve 800 to the wheels either way but not sure if the LS1 is even interested in my ideas and is probably giving me the 
but it's not the thumb finger he's givin. Anyway, this current ls1 is capable of around 600 to the wheels with a few Minor changes but my foresight is looking at 800+ sorta levels to the wheels. Should I just get a pulley to make the numbers happen and hope for the best or should I build a anew motor to replace. I have seen several write-ups about the LS platform surviving past 1200hp in stock form so who knows. Also, what sorta boost changes am I looking at when going From an a&a 3.8 to say a 3.6 or 3.4. What do you all think?
Motor..
Stock ls1 bottom
Ls6 243 heads and intake
Custom cam 224/230 595lift with good springs
Arh headers
A&a supercharger kit
Good tune getting 565rwhp
but it's not the thumb finger he's givin. Anyway, this current ls1 is capable of around 600 to the wheels with a few Minor changes but my foresight is looking at 800+ sorta levels to the wheels. Should I just get a pulley to make the numbers happen and hope for the best or should I build a anew motor to replace. I have seen several write-ups about the LS platform surviving past 1200hp in stock form so who knows. Also, what sorta boost changes am I looking at when going From an a&a 3.8 to say a 3.6 or 3.4. What do you all think?Motor..
Stock ls1 bottom
Ls6 243 heads and intake
Custom cam 224/230 595lift with good springs
Arh headers
A&a supercharger kit
Good tune getting 565rwhp
Team Owner
Joined: Jan 2007
Posts: 29,063
Likes: 1,839
From: cookeville tennessee
Considering building a fresh and new 402 forged motor to take place of my blown LS1 with 50k on the clock. My goal is to ahieve 800 to the wheels either way but not sure if the LS1 is even interested in my ideas and is probably giving me the but it's not the thumb finger he's givin. Anyway, this current ls1 is capable of around 600 to the wheels with a few Minor changes but my foresight is looking at 800+ sorta levels to the wheels. Should I just get a pulley to make the numbers happen and hope for the best or should I build a anew motor to replace. I have seen several write-ups about the LS platform surviving past 1200hp in stock form so who knows. Also, what sorta boost changes am I looking at when going From an a&a 3.8 to say a 3.6 or 3.4. What do you all think?
Motor..
Stock ls1 bottom
Ls6 243 heads and intake
Custom cam 224/230 595lift with good springs
Arh headers
A&a supercharger kit
Good tune getting 565rwhp
but it's not the thumb finger he's givin. Anyway, this current ls1 is capable of around 600 to the wheels with a few Minor changes but my foresight is looking at 800+ sorta levels to the wheels. Should I just get a pulley to make the numbers happen and hope for the best or should I build a anew motor to replace. I have seen several write-ups about the LS platform surviving past 1200hp in stock form so who knows. Also, what sorta boost changes am I looking at when going From an a&a 3.8 to say a 3.6 or 3.4. What do you all think?Motor..
Stock ls1 bottom
Ls6 243 heads and intake
Custom cam 224/230 595lift with good springs
Arh headers
A&a supercharger kit
Good tune getting 565rwhp
Robert
Thread Starter
Racer
Joined: May 2008
Posts: 285
Likes: 0
From: Reno, Nevada
no comment.
Last edited by tom_c5; Sep 9, 2011 at 02:49 AM.
AKA "The CLOWN"
Joined: Feb 2010
Posts: 6,261
Likes: 13
From: Chicago South Suburbs
I am in the same boat as you OP. I am making 600 now with my Novi and I am planning on a motor build over the winter to handle 900, but I'm looking for 800ish. I want bigger cubes but not excited to spend more money. I will most likely just rebuild my 346 will very good internals. Good luck with your quest, I'm going to watch this thread closely!
Safety Car
Joined: Jul 2007
Posts: 4,456
Likes: 29
From: Wichita Falls Texas
6.0 iron and build a 402
or
use your block and crank
its your choice both will make 800. i went with the 346 and I'm over 900. so it can be done, but i wish i went with the 402 from the beginning but that's because i want more and more power.
or
use your block and crank
its your choice both will make 800. i went with the 346 and I'm over 900. so it can be done, but i wish i went with the 402 from the beginning but that's because i want more and more power.
Thread Starter
Racer
Joined: May 2008
Posts: 285
Likes: 0
From: Reno, Nevada
if I went with a 402 block I suppose I could buy a shortblock that's ready to go? or would i need to buy block/crank/piston...etc...then have it machined and checked at a machine shop. What have you heard folks doing? 
Melting Slicks
Joined: Nov 2008
Posts: 2,008
Likes: 12
From: NOLA
I am in the same boat as you... I made 600 rwhp cam headers meth A&A si with 3.6 pulley only I have the stock LS1 heads
I plan to rebuild the lil ole 346 and crank up the boost when I go to make more power
I plan to rebuild the lil ole 346 and crank up the boost when I go to make more power
Drifting
Joined: May 2007
Posts: 1,546
Likes: 30
From: WENTZVILLE MO
Check out Texas Speed. You can pick your options and have a ready to drop in motor delivered to you. There are other builders you can go with as well.
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Burning Brakes
Joined: Sep 2008
Posts: 826
Likes: 12
From: Phoenix, AZ
Drifting
Joined: May 2007
Posts: 1,546
Likes: 30
From: WENTZVILLE MO
They seem to have a pretty good reputation. I installed my own A&A s/c. Mine works/looks good and they are alot more qualified than me so I wouldn't worry too much about it.
Drifting
Joined: May 2008
Posts: 1,621
Likes: 2
From: Petal Ms
St. Jude Donor '08-'11
Former Vendor
Joined: Feb 2010
Posts: 643
Likes: 0
From: Sioux Falls SD
I put an LS7 block in my 2000 coupe with no issues (other than who built the motor) Truthfully I wouldn't suggest it based on the cost of an LS7 block vs LS2/LS3 block or even a 6.0 iron block.
So many options, everyone has an example of every block/stroke/bore combo making 900 rwhp, so where you take it is up to you and the shop you're working with.
Remember the fuel system.
Melting Slicks
Joined: Nov 2007
Posts: 2,197
Likes: 2
From: Niagara Falls NY
St. Jude Donor '08-'09
It has never made good sence to me to pull apart a good running motor to rebuild with stronger parts.I would first sit down and work out the true costs of building or buying.I think you will find it's cheaper to sell your motor and buy one that is done.
Good luck.
Good luck.
Thread Starter
Racer
Joined: May 2008
Posts: 285
Likes: 0
From: Reno, Nevada
Incorrect, as long as the correct reluctor wheel is installed it's drop in and go, there are also electronic boxes that compensate for alternate reluctor wheel tooth setups.. (58x to 24x)
I put an LS7 block in my 2000 coupe with no issues (other than who built the motor) Truthfully I wouldn't suggest it based on the cost of an LS7 block vs LS2/LS3 block or even a 6.0 iron block.
So many options, everyone has an example of every block/stroke/bore combo making 900 rwhp, so where you take it is up to you and the shop you're working with.
Remember the fuel system.
I put an LS7 block in my 2000 coupe with no issues (other than who built the motor) Truthfully I wouldn't suggest it based on the cost of an LS7 block vs LS2/LS3 block or even a 6.0 iron block.
So many options, everyone has an example of every block/stroke/bore combo making 900 rwhp, so where you take it is up to you and the shop you're working with.
Remember the fuel system.
-Heads
-headers
-A&A supercharger brackets and such
Thread Starter
Racer
Joined: May 2008
Posts: 285
Likes: 0
From: Reno, Nevada
That's what i thought..........427 block maybe a similar form factor to that of an LS1/6 but my parts such as heads/headers/intake etc. would not be interchangeable and useless. That was my point i guess in the earlier post.
thanks
thanks