Thread: tunnel ram question

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With a small motor, a fairly heavy vehicle and street gears, a tunnel ram is a nightmare to tune. Low end torque goes away, and the power band is 3500 RPM to 7500 or so. Also, you probably have three times the carburation that a street 283 can take. I know people who have done it "for the look," and never got it to run right. This is especially true on an otherwise unmodified engine. If you don't have the cam, compression and gears to run the RPMs necessary to get into the power band, that setup will give you worse performance and worse mileage than a nice single 4-bbl.

On the other side of the coin, I see tunnel rams everywhere I go. If you're open to experimenting, and you have one in hand, go for it. Just be prepared for a LOT of issues and less than optimal performance.

Just a few thoughts from the been there/done that crowd.