Got my 6.0 Together and Dyno'd 485hp/456tq!
#22
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It is kind of satisfying when you are told to go home because you went "too quick"!
#23
11 Second Club
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Also "pinch" points for intake airflow has worked plenty in the past. While not entirely apples to apples, BBC engines that used Dominator carbs were necked down to a square flange intake manifold which added throttle response and mid range torque. I do understand that in that situation you're trying to manipulate both air AND fuel but that also means there's less room for the air because of the fuel. The newer LT engines no longer need a runner to atomize fuel as it now only flows just air. Different engines, different tech, yada yada yada
Engine is still just an air pump and long runner intakes are designed for a broad torque band which tends to fall by the wayside when searching for MAX power.
We just manipulate the gearing, converter, launch rpm, etc. to keep the engine "UP"
#25
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Cause it was free dummy!
****
Honestly I don't have another $700-$1000 for a different intake/throttle body combo. Maybe next year or the year after. I'll have to upgrade my rear end first most likely before really adding any more power to it. 10-bolt life FTW!!
#29
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Yeah, I can see that now.
The main issue was when i started i was going to use a 700r4 that a friend built for his 406 sbc. That limited me to one type of throttlebody so i could use the Bowtie overdrove tvmadeez system. It wasnt until near the end that i found a good deal on a 4l60e. That move however ate up the last of my funds. Call it a lack of planning or clear direction if you want.
#30
TECH Senior Member
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Ozzie, thank you for sharing your engine dyno results.
The TPIS 90mm snout costs about $350 and a WARR 92mm less than half of the snout Mod. For less than $500 you to have a 90mm LS6 intake set up. On my small cam 229/229 383 stroker with TEA LS6 heads the the trick LS6 made better hp & tq than a 102 Fast LSXRT - basically in the same rpm range as your engine dyno. I also think a Fast will gain hp over your current intake set up. Only testing would show for sure which intake is the absolute best for your set up but I think it's safely to say a 90mm set LS6 or Fast will gain over the stock LS6. Likewise a the 90mm TBSS will gain over the LS6. The TBSS is ugly but effective and usually about $150 or so.
The TPIS 90mm snout costs about $350 and a WARR 92mm less than half of the snout Mod. For less than $500 you to have a 90mm LS6 intake set up. On my small cam 229/229 383 stroker with TEA LS6 heads the the trick LS6 made better hp & tq than a 102 Fast LSXRT - basically in the same rpm range as your engine dyno. I also think a Fast will gain hp over your current intake set up. Only testing would show for sure which intake is the absolute best for your set up but I think it's safely to say a 90mm set LS6 or Fast will gain over the stock LS6. Likewise a the 90mm TBSS will gain over the LS6. The TBSS is ugly but effective and usually about $150 or so.
#31
Moderator
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I guess I'll be that guy.
I disagree that the LS6 intake is "the problem". I made 413whp on a Mustang dyno with an LS1 intake and we all know the LS6 is better. You can look back in the Dyno Results section and see lots of cars that dyno over 440whp with stock LS6 intakes.
If your funds are depleted, there probably isn't much more you can do besides just getting the engine in the car and getting the final tune done. You never know, it's not like it's unheard of to gain power by fine tuning the ECM for a combination versus some cookie cutter tune.
I disagree that the LS6 intake is "the problem". I made 413whp on a Mustang dyno with an LS1 intake and we all know the LS6 is better. You can look back in the Dyno Results section and see lots of cars that dyno over 440whp with stock LS6 intakes.
If your funds are depleted, there probably isn't much more you can do besides just getting the engine in the car and getting the final tune done. You never know, it's not like it's unheard of to gain power by fine tuning the ECM for a combination versus some cookie cutter tune.
#32
10 Second Club
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I guess I'll be that guy.
I disagree that the LS6 intake is "the problem". I made 413whp on a Mustang dyno with an LS1 intake and we all know the LS6 is better. You can look back in the Dyno Results section and see lots of cars that dyno over 440whp with stock LS6 intakes.
If your funds are depleted, there probably isn't much more you can do besides just getting the engine in the car and getting the final tune done. You never know, it's not like it's unheard of to gain power by fine tuning the ECM for a combination versus some cookie cutter tune.
I disagree that the LS6 intake is "the problem". I made 413whp on a Mustang dyno with an LS1 intake and we all know the LS6 is better. You can look back in the Dyno Results section and see lots of cars that dyno over 440whp with stock LS6 intakes.
If your funds are depleted, there probably isn't much more you can do besides just getting the engine in the car and getting the final tune done. You never know, it's not like it's unheard of to gain power by fine tuning the ECM for a combination versus some cookie cutter tune.
#36
10 Second Club
#37
TECH Senior Member
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I would think there is a level where it STARTS becoming a restriction, then gets more severe as it climbs. Not like hitting a wall, more like a steeper uphill climb as it goes.
#40
10 Second Club
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So the ls6 intake is perfect until 440 rwhp then becomes a major restriction at 441?