What hp do vendors claim out of a ported 90/90?
02-06-2007, 01:23 AM
#1
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What hp do vendors claim out of a ported 90/90? I have heard some say 1-2 hp, and I have heard some say 10-20. Who all is claiming what when it comes to a ported FAST 90/90 setup?
02-06-2007, 06:26 AM
#3
It all depends on what is done to the motor, If its a stock as a rock motor and it had a LS1 intake, there will be an improvement, even with a LS6 intake there will be an improvement, but not as much as the LS1.
In the book "how to build High-Performance Chevy LS1/LS6 V-8's"
They took a stock LS6 motor with a comp cam 210/216 0.566/0.588 cam with 1-3/4" LT headers Blackwing filter and dynoed the LS6 vs the FAST.
They did not mention the size of the TB (assume stock), and Probably the smaller FAST intake (78mm)
LS6 Peak:
HP: 452 @ 5,600
TQ: 457 @ 4,600
FAST Peak:
HP: 462 @ 5,500
TQ: 464 @ 4,600
There was also no mention of any "clean up" work to the ports just a straight swap. I although would est based on what I've seen with other dyno sheets you should at least gain 10 over the LS6 with a 90/90 setup, tune, and supporting mods.
In the book "how to build High-Performance Chevy LS1/LS6 V-8's"
They took a stock LS6 motor with a comp cam 210/216 0.566/0.588 cam with 1-3/4" LT headers Blackwing filter and dynoed the LS6 vs the FAST.
They did not mention the size of the TB (assume stock), and Probably the smaller FAST intake (78mm)
LS6 Peak:
HP: 452 @ 5,600
TQ: 457 @ 4,600
FAST Peak:
HP: 462 @ 5,500
TQ: 464 @ 4,600
There was also no mention of any "clean up" work to the ports just a straight swap. I although would est based on what I've seen with other dyno sheets you should at least gain 10 over the LS6 with a 90/90 setup, tune, and supporting mods.
