Motor chevrolet 2.5 tbi

The engine was designed by Chevrolet and was used in a wide array of General Motors vehicles.

I just looked at the GM heritage center website, and your car was apparently produced with throttle body injection. I believe you simply ordered the wrong part. A non car guy might make that mistake. And forget using this dinosaur as a daily driver. The fact it still runs means it is decent enough to tinker with. But to try and depend on it is asking for hurt. As you noticed, parts are getting hard to find.

Motor chevrolet 2.5 tbi

Register or Log In To remove these advertisements. Web chevytrucks. I have done a few V-8 TBI swaps. I have to pull the engine out of my 66 anyway and will replace it with a good I want to get rid of the in cab fuel tank, so I will be installing a 25 gallon blazer tank that had TBI. I don't think the rest of the sensors are an issue either. The questions are what do I look for as a donor for the throttle body, wiring and computer. What I think is the major issue is the distributor Any idea's, comments, suggestions, help etc Please! Thanks in advance, Steve.

Tune it for less. The Daily Drive by Consumer Guide. The following year use of the engine expanded to the Sunbird's Chevrolet and Oldsmobile twins, the Monza and Starfire.

Much of this article will apply to other s era GM cars including injected big blocks and even fire V6s. The Tuned Port Injection and Throttle Body Injection versions of the small block Chevy and used very different hardware, but similar electronics. Not only do they show up in many trucks such as the C pickup, but also Camaros, Firebirds, and Corvettes, and other cars as well. Also these two injection systems are also very popular for swaps into street rods, S10 pickups, and muscle cars. For these engines, we recommend using the Megasquirt-II. It can control a HEI ignition and the stepper motor idle control found on these engines using its standard hardware. For those of you who are looking to do a less expensive installation, you can use the Megasquirt-I, but this will not have provisions for controlling the IAC.

Not only that, you don't need any expensive tools to do it. You'll test the following components: ignition control module, spark plug wires, distributor cap and rotor and ignition coil and pick up coil of the GM 4. Before we start, just want to remind you that since this is an on-car test, do not remove the ignition control module from the distributor or the ignition coil. Some of the images in this article show them off of the vehicle just to make it easier to explain their testing process. The typical ignition system circuit diagram for the 4. In a nutshell, when you crank up the engine and the ignition system is working properly :. The tests that you're gonna' learn in this article only deal with steps 1 thru' 4, among several tests.

Motor chevrolet 2.5 tbi

I need to replace the injector on my '86 2. The parts dept. I've read how the MPI guys can use Ford injectors to get a boost in performance. Is there a similar mod for the TBI?

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The four-cylinder engine was discontinued from AMC's rear-wheel drive models after BeardAL April 14, , pm Do you prefer the distributor or the DIS ignition- assuming the "recipient" engine already has an old points dizzy? To do this, get your engine warmed-up otherwise the timing moves as the temperature increases and idling, then use a timing light to verify to be certain your actual advance as shown by a timing light equals your the advance display on the advance gauge in TunerStudio. Secure payments Shop with confidence, our shop is encrypted and powered by Shopify. So now I'll have a dizzy to play with and modify and a TB to mount on a weber intake. It's a 4 speed, though. BeardAL April 11, , am 7. Jumper XG1 to the right non-banded side of D5. Docnick April 14, , am You simply add the "T" to the pressure side and rout it to the return.

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I had an 84 Jeep so it had a o2 sensor in the manifold. Knock sensor: I didn't use one. Find More Posts by stich Several parts websites I visited listed the Rochester 2 barrel for this model, sometimes as a Canadian model, sometimes not. Posting Rules. Baggin' It Member Projects ci Forum 4. I also noticed that the entire engine seems to shift up or down an extreme amount when putting the car in gear, sinking at least a few inches when shifting into drive. Popular Mechanics. Won't even matter if the dizzy shaft is worn out, as most are. This thing is 32 years old! TBI base gasket made with Felpro material as pictured in the second picture. Re: 6 cylinder TBI? The throat is a little rough but I also just recently sold off my CNC Milling machine, which, if I had it, could have made the part beautifully.