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Old 07-22-2007, 03:31 PM
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Edelbrock TRI tunnelram

For my pickup project i have bought a Edelbrock TRI tunnelram with 2 600 cfm Holley's on it for a small block Chevy.
Now i want to place this intake on a early 80's 350 which has currently a Rochester qaudrajet on it.

For my truck it would be very nice to have it on there with two velocity stacks on it.
Is it wise to place this setup on the small-block? cant it work trouble free on this engine? Has anyone got some experience with something like this?

It is made for a small-block so i think it should work but a 400 is also a small-block of-course so maybe it will only work on those engines.
Please let me know what you think of it, maybe i should make a new top on the tunnelram and place only one carb on it. But than it isn't as nice.
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Old 07-22-2007, 03:46 PM
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If the engine is stock don`t even think about it. Tunnel rams are made for upper RPM performance, not daily drivers. There power band is about 4000-7000 how often do you drive your truck in that rpm range? two 600`s would be 1200cfm total, and you would need a hefty 350 to breathe like that. It would work far better with two 390`s. but as I said, it depends on the mods, transmission and gear.
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Old 07-23-2007, 01:44 AM
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The engine is standard for now, the plan is to stroke it in the future.
But if i stroke the engine than i am certainly not going to make high revs.
This setup is for my 38 Chevy project, that isn't going to be a daily driver.
It doesn't have to be a racer either, but it has to drive without trouble.
And is has to look great. It is a cruiser so high rpm is out of the question.

Does it make that many difference on performance in low revs
Wouldn't it be possible to run it on one carb and let the second one take part at half or 3/4 throttle?
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Old 07-23-2007, 02:12 AM
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Sure it would be possible. I understand how your shooting for the look factor.
However it makes the combo somewhat lop sided so to speak.
As I said, I think you could make it work with 2 very small carbs and a progressive linkage as you mentioned. But still, it wouldn`t be optimum. But if your not looking for optimum, and just shooting for looks then by all means go for it. But I wouldn`t attempt it with the 600`s. But keep in mind also, you`ll have to do alot more tuning, if you don`t know how get ready to learn, and it`s going to be a very long, fustrating process learning to tune it. In most cases, most either give up or order custom calibrated carbs for the application. I think it would look cool with a Weiand Xcellerator single plane high rise intake with the divider plate installed so the engine kept it`s low end torque and driveability. If you decide to go with the TR then I would at the least add headers. Your car, your choice. Whatever you decide good luck.
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