Should I change intakes?

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Sep 19, 2003 | 04:43 AM

#1 (permalink)

catfish

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Should I change intakes?

I am currently running an Edelbrock Performer intake (not the RPM) on my motor. The motor is a 306 with Edelbrock 6037 heads, E cam, and a T64E turbo.

I have an opportunity to swap someone my intake for a Holley Systemax intake.

What would you do?

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Sep 19, 2003 | 08:27 AM

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TheShow50h

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depends on your engines operating range.

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Sep 19, 2003 | 08:34 AM

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Mars_302

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Go for the holley. Every dynograph ive seen of the holley it made almost as much top end power as box style intakes but no loss of bottom end

Sep 19, 2003 | 08:57 AM

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the anti-rice

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I would ask if I could borrow it and take it to the dyno.

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Sep 19, 2003 | 10:23 AM

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racingtheburg

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weind x-celerator
l

Sep 19, 2003 | 10:24 AM

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T/S #25

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If it's just a swap and no money is involved, take the Holley. It flows a little better than the Edelbrock on the top end.

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Sep 19, 2003 | 10:32 AM

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BLUE2KSS

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Mars was right,

whenever i have seen a dyno sheet i have seen, the holly does come in a little higher.

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Sep 19, 2003 | 10:57 AM

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catfish

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I'm mostly concerned with losing torque. The last "good" dyno pull I had showed the car was making over 300 rwft/lbs of tq from about 3200 to 5200 rpm. That was with 6 lbs of boost. With my current setup, I see over 15 lbs of boost. With the Holley intake, I expect the overall boost to go down, depending on how much of a bottleneck the heads are. However, I would hate for my current torque curve to shift upwards, even if it means more horsepower.

Of course, I could just get it. The Holley would work great with a 331 and a T76.