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Old 02-14-2014, 10:43 PM   #1
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Default Custom aluminum intake manifold 99-05

The manifold was made for me a while back but I have no use for it now. The runners are 6.5" long and the throttle body is 70mm with a matching flange. I used this on a built 99/00 motor so it should work fine on a 01-05 as well. $275









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Old 02-14-2014, 11:49 PM   #2
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Looks nice. What is the runner diameter?
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Old 02-15-2014, 01:13 AM   #3
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6.5"? What's the rpm target on that?
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Old 02-15-2014, 11:53 AM   #4
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Runner diameter is 1 7/8"
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Old 02-15-2014, 12:00 PM   #5
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What does it weigh with TB attached? Provisions for tps and iac?
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Old 02-15-2014, 06:26 PM   #6
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It weighs between 7-8 lbs. It has provisions to be able to adapt the miata TPS to the throttle body shaft. There is nothing for the IAC.
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Old 02-15-2014, 08:11 PM   #7
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OK stupid question then, does a stock 1.8 TB bolt up? If not can it be drilled for new holes or would you have to weld in the existing holes and drill new ones?

And yeah, what was the intended rev range? Is peak torque somewhere around 4k?
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Old 02-15-2014, 10:11 PM   #8
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This was built for maximum HP, but didn't seem to negatively effect torque on the dyno when we tested it. The stock TB will not bolt up to this as it is built to have the 70mm ford TB on there. You may be able to fit the stock one on there by re drilling, but that may create a bottleneck in itself.
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