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

87 Delete CSI

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Old Dec 4, 2016 | 03:36 AM
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Default 87 Delete CSI

Other than EBay, who has a 3 piece cold start injector delete kit for a 1987? (port plug, line plug, bolt)

It leaks.

I know the prom is supposed to be updated to 89+ but I'm not concerned about that right now. I just need to eliminate the CSI as a cause for over rich condition.
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Old Dec 4, 2016 | 08:05 AM
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Will this fit the 87 Vette ???

http://www.hawksmotorsports.com/85-8...or-delete-kit/
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Old Dec 4, 2016 | 08:40 AM
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I would think it should but I believe that you might just do the RonFrancis plug for the rail from Summit or where ever and use a cup style freeze plug to do the injector bore. I've seen 7/8 mentioned I believe but maybe you measure and see if there's maybe a better fit. Metric maybe?

FR10 from summit or elsewhere

https://www.ronfrancis.com/prodinfo.asp?number=FR-10

https://www.summitracing.com/parts/rfw-fr10

RonFrancis also offered a plug but I've never seen it!
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Old Dec 4, 2016 | 09:00 AM
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Originally Posted by WVZR-1
I would think it should but I believe that you might just do the RonFrancis plug for the rail from Summit or where ever and use a cup style freeze plug to do the injector bore. I've seen 7/8 mentioned I believe but maybe you measure and see if there's maybe a better fit. Metric maybe?

FR10 from summit or elsewhere

https://www.ronfrancis.com/prodinfo.asp?number=FR-10

https://www.summitracing.com/parts/rfw-fr10

RonFrancis also offered a plug but I've never seen it!
Thanks for the info. I am hoping to just "bolt" the stuff on.
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Old Dec 4, 2016 | 09:42 AM
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Originally Posted by Tom454
Thanks for the info. I am hoping to just "bolt" the stuff on.
I get that but I believe I'd rather a fit than maybe a buy of a "bolt-on" that maybe uses an o-ring to accomplish the seal in the bore that ain't up to spec for the heat etc generated.
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Old Dec 4, 2016 | 09:57 AM
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Originally Posted by WVZR-1
I get that but I believe I'd rather a fit than maybe a buy of a "bolt-on" that maybe uses an o-ring to accomplish the seal in the bore that ain't up to spec for the heat etc generated.
I emailed them to see if it fits Corvette.
If it fits, most likely I'll order it.
My CSI has a new o-ring on it... if the OD etc of the plug is the same as the CSI, I can re-use that o-ring.

If it leaks, I'll issue you a receipt for a "I Told You So". LOL
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