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HELP ! with my ls1 project

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Old 04-24-2012, 01:31 PM
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Default HELP ! with my ls1 project

how are you all ?
I have ls1 2000 camaro with t-56 , and i am starting my project on .
so , i want my engine to hold 200-250 wet shot of nos but on factory crank , i want it 700-750 hp , i know the factory crank can hold it

but , what is the best intake manifold to hlod nos ? because i heard fast cannt hold too much nos ?

and about the headers ? which one is the best and cheapest one ?

finally , i want 700-750 hp in cheapest way ?
Old 04-24-2012, 01:36 PM
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Nos is a brand name... you mean nitrous??

Thats not entirely true about the fast... it depends on what system you are going to run. A plate system I would say it wouldnt hold. Direct port yes it will hold as the pressure is being shot directly into the cylinder.

750 rwhp out of a stock crank is pushing the limit. Not saying it cant be done.
There is NO "cheap" way to get 750rwhp. You are going to spend quiet a bit (i.e supporting mod:Trans, Driveshaft, Rear end, Clutch, ect) ....especially if you want to achieve this out of a stock ls1 bore.

Last edited by Sales@Tick; 04-24-2012 at 01:41 PM.
Old 04-24-2012, 02:17 PM
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I think you are pushing the limit of the crank. Also the hyper pistons and rods. I wont say it can't be done either, but nitrous will not get you there with a stock ls1 with bolt ons.

I think you will need good heads and a spec'd cam to help.
Old 04-24-2012, 02:18 PM
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If you are going for that much power I'd say forget about the stock crank, go forged crank, H beam rods, forged pistons, and an aluminum intake.....preferably something like the Edelbrock proflo where you won't have to worry about fuel pooling in the runners and (hate to say it), but a custom spec cam with a 500 big shot.
Old 04-24-2012, 02:22 PM
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Would even go as far to say get a set of ported 5.3 heads milled, and match them up to a set of small dished pistons to center the force of the combustion into the middle of the piston and away from the ring lands.
Old 04-24-2012, 06:10 PM
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Theres plenty of people getting 750+ out of their stock crank. but the rods will probably let go before all of them, pistons next, you need to do alot of reading OP...

You will need a fuel system upgrade for 750+, say goodbye to your rear end since you have a t56 especially, atleast a ls6 intake, Rod bolts atleast if your keeping the bottom end stock, major clutch upgrade, 250 shot is almost directport territory (recommended).

Hope this gets your started on your quest, goodluck!
Old 04-24-2012, 06:13 PM
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IMHO stay at a 150 shot for your stock engine, and don't do drop the clutch launches until your upgrade rear end.. 750+ HP isnt cheap, Trust me I've learned the hard way lol...
Old 04-25-2012, 11:48 AM
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yes , of course i wil change the pistons and connecting rods .
about the connecting rods which one is better eagle or lunati ?(worth it)
and the nitrous will be shoted in the throttle body
and i wont be above 750 hp , i want to be betweem 650-750 hp as maximum
i am thinking about :-
1- patriot heads
2- gt-11 cam (for daily use) with double springs
3- fast 90 or ls2 intake manifold with 90 fast throttle body
4- headers (but i dont know which one worth it and which size 1-3/4 or 1/78 )? and y-pipe with cut out
5- slp oil pump with double timig chain

finally , with my heads how about rockers , lifters and valves ?
Old 04-25-2012, 12:02 PM
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Originally Posted by VIP-DUB
yes , of course i wil change the pistons and connecting rods .
about the connecting rods which one is better eagle or lunati ?(worth it)
and the nitrous will be shoted in the throttle body
and i wont be above 750 hp , i want to be betweem 650-750 hp as maximum
i am thinking about :-
1- patriot heads
2- gt-11 cam (for daily use) with double springs
3- fast 90 or ls2 intake manifold with 90 fast throttle body
4- headers (but i dont know which one worth it and which size 1-3/4 or 1/78 )? and y-pipe with cut out
5- slp oil pump with double timig chain

finally , with my heads how about rockers , lifters and valves ?
id also like to see what you guys suggest as i will be looking into to doing a sleeved forged bottom end ls2 on spray.
Old 04-25-2012, 12:08 PM
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Originally Posted by VIP-DUB
yes , of course i wil change the pistons and connecting rods .
about the connecting rods which one is better eagle or lunati ?(worth it)
and the nitrous will be shoted in the throttle body
and i wont be above 750 hp , i want to be betweem 650-750 hp as maximum
i am thinking about :-
1- patriot heads
2- gt-11 cam (for daily use) with double springs
3- fast 90 or ls2 intake manifold with 90 fast throttle body
4- headers (but i dont know which one worth it and which size 1-3/4 or 1/78 )? and y-pipe with cut out
5- slp oil pump with double timig chain

finally , with my heads how about rockers , lifters and valves ?
Even though the ls6 intake uses a smaller tb it out flows the ls2 intake, and running a huge **** of n2o all it takes is one back fire to blow you $1000 intake apart.....plus if you are thinking of running a plate style digger (-behind the throttle body) you can easily get fuel pooled in the intake for a nice little time bomb.

I would ONLY go aluminum stock style like the BBK if running port injection, but if running a plate fogged a Edelbrock proflo xt style tunnel ram or sheet metal intake
Old 04-25-2012, 01:10 PM
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Originally Posted by VIP-DUB
yes , of course i wil change the pistons and connecting rods .
about the connecting rods which one is better eagle or lunati ?(worth it)
and the nitrous will be shoted in the throttle body
and i wont be above 750 hp , i want to be betweem 650-750 hp as maximum
i am thinking about :-
1- patriot heads
2- gt-11 cam (for daily use) with double springs
3- fast 90 or ls2 intake manifold with 90 fast throttle body
4- headers (but i dont know which one worth it and which size 1-3/4 or 1/78 )? and y-pipe with cut out
5- slp oil pump with double timig chain

finally , with my heads how about rockers , lifters and valves ?
With this list you would be lucky to hit 430rwhp. meaning you would need to spray a hefty 250 shot through a plate.... which spells trouble. That is a lot to flow through plate style system. Even if you get it to work your still only going to be around the 650 rwhp mark far from 750rwhp. The best thing you could do is: Rods (eagle would be fine), ARP 2000 Rod bolts, Good set of pistons, Trick flow heads, Decent size cam, and a direct port system and jet it for 300. And finally, pray that the stock crank and block will hold it!! Those figures would land you in roughly 690-730rwhp, again more than I think the stock crank and block would withstand. But... prove me wrong!!!!




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