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  #21  
Old 11-11-2010, 05:32 PM
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Quote:
Originally Posted by subzali View Post
Sorry for being stupid, but what's NVH?
Noise, Vibration, and Harshness.
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  #22  
Old 11-11-2010, 06:07 PM
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Originally Posted by sleeoffroad View Post
I doubt you are going to get materially better fuel economy if you push that motor to 4k all the time.
True, but it would be nice to be able to run it at higher RPM when needed, especially at higher altitudes with the VVT vs. the wheezy 1ZFE.

Given I run 5.29's, I especially like the GM 4L60E auto ratios:

A343F 4L60E

2.804 3.059
1.531 1.625
1.000 1.000
0.753 0.696 (overdrive)

You get the lower ratios for first and second, but then OD is quite a bit taller. It is good to be able to run with OD Off @ 70 mph at the higher RPM without the engine fighting itself and delivering half the already miserable fuel economy.

Still all on paper, but I am having a hard time putting any holes in the numbers.
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  #23  
Old 11-11-2010, 06:14 PM
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Jumping in with a saying i heard growing up around Jeeps.....

Clifford Performance says 6=8

A stage 3 is over the top build of a inline 6 popper. Bored out, cam, carb, head work etc... My dads 258 was i think a stage 2 and it had gobs of torque and you can wind that puppy way up there. Really like those motors. I like the torque from the straight 6s, better for wheeling i think.

Leaving now.......
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  #24  
Old 11-11-2010, 06:37 PM
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People always way they will take the torque of the i6 above the v8 for off-roading. Here is some dyno graphs as measured at the wheels.

1FZFE


and

2UZFE



Compare the v8 torque to the i6 torque. I would still take the v8 anytime plus I would take the turbo in both cases.
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  #25  
Old 11-11-2010, 07:59 PM
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Quote:
Originally Posted by Nay View Post
It would also be compelling to buy Slee's SC, upgrade the cooling system, and be done with it
If I had the $2K right now it would already be gone.


Anyone considered Toyota's new 4.6 V8. Probably very cost prohibitive right now.
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  #26  
Old 11-11-2010, 08:43 PM
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Why does the turbo produce so much more power than the SC?
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  #27  
Old 11-11-2010, 08:51 PM
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That graph makes me really want a turbo
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  #28  
Old 11-11-2010, 09:02 PM
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Quote:
Originally Posted by 60wag View Post
Why does the turbo produce so much more power than the SC?
I would assume the turbo is supplying more boost. Christo will have to confirm.
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  #29  
Old 11-11-2010, 09:07 PM
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Christo why is the turbo 1FZFE power graph get so rough over 4K RPM. Is the fuel management system starting to have trouble at that point?
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  #30  
Old 11-11-2010, 10:57 PM
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I would think the difference in the graph on the power scale between the super charger and the turbo has more to do with the fact that they are completely different engines. The 97 has much more horsepower stock than the 93 does stock. The 93 engine is pretty much the same that are in the FJ62, they beefed them way up in 94-97.
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