Performance Inductions heads
05-16-2010, 09:19 PM
#83
but I 95% know they are. Tom Kempf has the same heads with exact same valve covers. I asked him about them in his thread. You can correct me if I am wrong.
06-08-2010, 02:39 AM
#84
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Anyone have any real world results?
All Ive seen so far is an LS1 GTO with a set of the 215s and it made 490ish. Torque was high and broad as well. Very impressive.
All Ive seen so far is an LS1 GTO with a set of the 215s and it made 490ish. Torque was high and broad as well. Very impressive.
06-08-2010, 04:57 PM
#87
I'll swap over to the PI heads and Va Speed cam, re-tune, and then redyno. Don't hold your breath because with two kids under 4 y/o, my time is limited to work on the car.
06-10-2010, 06:42 PM
#89
I will. I plan to dyno the car prior to removing my current setup which consists of a set of handported 853 heads, TR224 cam on a 112, qtps, ory and a ported FAST 90/90. Last time I had a dyno done was back in 2002/3 when the heads/cam went on/in and I had an ls6 intake and macs at the time. Back then I made 430/400, so I'm curious where I'm at now.
I'll swap over to the PI heads and Va Speed cam, re-tune, and then redyno. Don't hold your breath because with two kids under 4 y/o, my time is limited to work on the car.
I'll swap over to the PI heads and Va Speed cam, re-tune, and then redyno. Don't hold your breath because with two kids under 4 y/o, my time is limited to work on the car.
06-10-2010, 07:13 PM
#90
Here's my fuzzy logic math.... purely speculation of course....
If I was at 430/400 before with macs, ls6 intake, crushed ypipe, and a mail order ls1edit tune, now with a cleaned up fast 90/90, qtp's, bigger injectors, light flywheel and good tune I should conservatively be 440/410.
I'm guessing that the new combo is going to put me around 475/430, which should keep me happy for a few years till the kids are out of daycare, and I'll have the time and capital to do a 400+ cube motor and have these PI heads opened up to accomodate the bigger bore.
I talked with Ed at length, and I'm not looking to squeeze every last horsepower out of this setup but rather get as much torque from 2000-4000 as I can, so we'll see how this shapes up.
If I was at 430/400 before with macs, ls6 intake, crushed ypipe, and a mail order ls1edit tune, now with a cleaned up fast 90/90, qtp's, bigger injectors, light flywheel and good tune I should conservatively be 440/410.
I'm guessing that the new combo is going to put me around 475/430, which should keep me happy for a few years till the kids are out of daycare, and I'll have the time and capital to do a 400+ cube motor and have these PI heads opened up to accomodate the bigger bore.
I talked with Ed at length, and I'm not looking to squeeze every last horsepower out of this setup but rather get as much torque from 2000-4000 as I can, so we'll see how this shapes up.
06-10-2010, 07:22 PM
#91
In my commute in DC rush hour I put my car in 6th and I'm good from 30 to 85MPH.It's easy to foget what you have on tap with an engine with a nice broad torque curve - until you play...
06-11-2010, 04:45 AM
#92
Good point This is what i ALWAYS asked when it came to the AFR 205's. When i asked about them i seem to get the same answer, which was" i haven't tried them at the track yet". I knew that was BS cause people would say they went to the track regulary but after they installed a set of $2,300 heads they wanted everyone to believe they haven't been back to see what track times they got??LOL. And that wasn't from one person. I was very interested in the AFR's but wanted to know how much they lowered a cars ET on average since every setup is different.
06-11-2010, 11:35 AM
#93
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These heads work. My Dallas Performance 427ci F1R is making 1,002rwhp / 928rwtq with 16* of timing on pump gas with the ET version of these heads. Dallas Performance recently completed an almost identical build 434ci with a slighly smaller cam with the new PI heads that made 1,040rwhp on pump gas and over 1,100 with a 50 shot. I have not heard of any other pump gas SC'd LSx engines making more than 1,000rwhp.
06-11-2010, 11:06 PM
#94
Teching In
heads and stuff These heads work. My Dallas Performance 427ci F1R is making 1,002rwhp / 928rwtq with 16* of timing on pump gas with the ET version of these heads. Dallas Performance recently completed an almost identical build 434ci with a slighly smaller cam with the new PI heads that made 1,040rwhp on pump gas and over 1,100 with a 50 shot. I have not heard of any other pump gas SC'd LSx engines making more than 1,000rwhp.
I was wondering how that worked out for them. I never heard. Glad to hear the results were positive.
06-12-2010, 07:22 AM
#95
I've also got a set of 215's coming for a stock SB LS1, with Ported FAST 102, custom VS cam in an M6 with 10bolt. There won't be much tracking this car d/t 10bolt, but I'm hoping to have a decent hwy cruiser/weekend warrior. Hopefully, using these heads will allow me to make good power with a mid sized cam that will still knock down 25mpg hwy thru the 10bolt. I will be running a cheaper exhaust setup initially (pacesetter 1 3/4" LT's, no cats, x pipe, and 3" TD thru proflow twisters and exiting via factory CME), on which I will dyno, then I will upgrade to some 1 7/8" ARH's utilizing a similar Y pipe, cutout plan that Patrick G did to make 500rwhp. We will likely run an SD tune, and a ported 90mmTB is planned.
I love the flexibility of these heads, 215's for now, and upgradeable (room to grow) with a bigger motor later on...kinda like buying 1 set of heads for the life of your car.
I've learned that most times the saying "you get what you pay for" is true, I "expect" this situation to be no different.
I love the flexibility of these heads, 215's for now, and upgradeable (room to grow) with a bigger motor later on...kinda like buying 1 set of heads for the life of your car.
I've learned that most times the saying "you get what you pay for" is true, I "expect" this situation to be no different.
