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

1993 ABS delete

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Old Jan 6, 2026 | 09:02 PM
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l8Tvert
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Default 1993 ABS delete

Hey guy I have done the searching and thought I had it figured. I’m trying to delete my abs pump on my race c4 just wondering what lines I have to T and union together. The post I initially read must have been for an earlier year as mine has 7 lines on it and the post I read had a place for only 5. Thanks in advance. Please spare the “keep it “ posts
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Old Jan 9, 2026 | 01:03 AM
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I have an 87, which has the 5 lines. M/c front circuit in, m/c rear circuit in, front left out, front right out, and rear out. It's a 3 channel system with the rears tied together. Yours should be 4 channels, with each rear operating independently. But, that would make for 6 lines; not sure what the 7th would be.

Since you'll have to bleed everything anyway, it's pretty easy to figure out which is which. Just disconnect them all, open a bleeder at each wheel one at a time and see which lines you can blow compressed air through. Then do the same for the m/c lines.
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Old Jan 11, 2026 | 04:48 PM
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I definitely have 7 lines on the pump. I just checked again. I was hoping someone had a diagram for the newer abs pump I guess it’s different
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