Ramjet ECU Upgrade for / crate engines. $ MEFI 3 equipped models had no O2 sensor feed back for closed loop operation or air temperature compenstaion. These engines ran very rich, fuel fouling spark plugs and as a result poor fuel economy. ASM offers calibration of the ECU to correct overly rich running condition on MEFI 3 ECU’s. The Chevrolet Performance Ram Jet Engine Service Manual is a must have for anyone who is installing a Ram Jet engine. It is jammed full of information to help make the transition to EFI an easy and comprehensive move. The Ram Jet blends the legendary torque and performance of the Big-Block with a modern port fuel injection system and tunnel ram-style high-rise intake manifold. It’s a combination that offers uncompromising performance in a visually stunning presentation. The unique Ram Jet fuel injection system stands 11 inches tall at its highest point and consists of a two-piece manifold/plenum.
It's got a Ram Jet a TCI OD trans. After about 20 minutes of driving, the temp shoots up to almost max then the car loses all power feels like it dropped a couple of cylinders. When you put the car in neutral, the motor revs up fine. Put it back into any gear and no power until the temp comes down significantly. Any cons to the GM Ram Jet in a Camaro SS. Will it fit? I have a Muncie M20 4 speed (like new) and a brand new 12 bolt Moser gear. I have a reverse cowl hood and GM states the ram jet manifold is only 1/2 inch taller than a typical single plane manifold plus carb and air cleaner. 1, Posts. #6 · . my buddie built a bbc long block to GMs Ram Jets crate engines specs, and bought the GM Performance Ram Jet fuel injection and put it on the long block. it's in a 73 Camaro Z/28 with the and a Temec 5 speed and a moser ford 9" with a detroit locker gears with 35 spline axles cal tracs. its.
Both the Ram Jet and the Ram Jet have a reputation for not having a sharp tune. Did your come with O2 sensors? Converting using the controller that comes with them is pretty expensive, and I've heard it's still troublesome. I would definitely consider going to a GM computer from a car, or the Holley. Service Manual, Ram Jet Covers the installation and service of the MEFI 4 Ram Jet P/N This publication is intended to provide information about the RAMJET engine and related components. This manual also describes procedures and modifications that may be useful during the installation of a RAMJET engine. It is not intended.
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