C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine

84 pollution removeable

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Old Jul 15, 2022 | 09:24 PM
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Default 84 pollution removeable

How much trouble will it be to retime and calibrate. Mainly the fuel injection.
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Old Jul 15, 2022 | 10:14 PM
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Originally Posted by marina2
How much trouble will it be to retime and calibrate. Mainly the fuel injection.
I deleted my smog junk and also a/c and did not have any problems with timing. Later went to a carb set up and could easily set my timing. Plenty of 84 xfire experts on the forum that will chime in.
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Old Jul 16, 2022 | 02:56 PM
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Thnkuvrymuch for the good news.
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Old Jul 16, 2022 | 04:30 PM
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The air pump and all its associated items can be removed easily. I’m not 100 percent sure if the 84 had the air tubes welded onto the manifolds or not. They will need to be plugged. You will have to also plug the the small pipe coming off the side of the catalytic converter. A smog pump delete bracket is available from many venders. I personally find them ugly. I plan on gutting my factory pump when I do the same to my car.
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Old Jul 16, 2022 | 08:13 PM
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Originally Posted by Faceman89
The air pump and all its associated items can be removed easily. I’m not 100 percent sure if the 84 had the air tubes welded onto the manifolds or not. They will need to be plugged. You will have to also plug the the small pipe coming off the side of the catalytic converter. A smog pump delete bracket is available from many venders. I personally find them ugly. I plan on gutting my factory pump when I do the same to my car.
Yes. 4 air tubes on each exhaust manifold will have to be removed and the holes brazed shut. I used a a Dorman 34157(I think)ac delete pulley kit for 88-91 camaros, firebirds and same year trucks. GM used to offer them too. I did not have to use anything for the smog pump delete. May have to use something if you keep AC.

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