Motor chevrolet 2.5 tbi

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No info for 2. Closed Thread Subscribe. Thread Tools. Search this Thread. I can't find any info on it, which is in my newly bought Blazer.

Motor chevrolet 2.5 tbi

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. This thing is 32 years old! The idle air control solenoid is screwed into the side of the TBI housing with a large hex on the body. The plunger gets crudded up and sticks, leading to high idle problems. You can try to unscrew the IAC and clean out the port to fix this.

For the Iron Duke engine was redesigned to be mounted transversely, to suit the new front-drive General Motors "X-body" cars. Article Talk. It also keeps the engine bay looking closer to stock if that matters to you.

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Some of the components shown above may look different from what will be included with your kit. If you are required by your state to pass an emissions test, please contact us before ordering. Estimated lead time is weeks. Add To Cart. These systems are intended for stock engines only. An explanation of your selection will appear below this input when you select an option. Large cap coil in cap Tach filter.

Motor chevrolet 2.5 tbi

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Production ceased consistent with the replacement of the S-series trucks with the GMT sub-platform. Create a new list. Show Printable Version. For , the 2. It would seem that the 4. View attachment Funnest run Recognizing that future products would need to be smaller and more fuel-efficient, Pontiac engineers were tasked with developing a new engine that would be suitable for these future products. Connect the B pin to pin 25 relay board terminal S1 with either board. Retrieved 27 August I believe all your gauges are analog so no worrier there.

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It ran great. A mechanic tuned the idle up to prevent this problem, but obviously this was a band-aid fix. In the S related models, it evolved through and was known as the Vortec Thx guys, I used to be amazed at the help that this board offers. Contact us if you need warranty support. You will want all of the IAC jumpers. Don't want it running key on without motor running. At the time of the oil crisis the only engines Pontiac built were cu in 5. Gasoline , E85 , LPG. Search this Thread. I have done a few V-8 TBI swaps.