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

TPIS LT header/fuel line clearance issue

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Old Sep 28, 2008 | 12:48 PM
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Default TPIS LT header/fuel line clearance issue

Does anyone here have TPIS LT headers? I have the non emission headers and am going to switch to the emission headers to pass inspection. Before I do this, has anyone had any issues with clearance from the fuel line. Mine currently has 1/64" from the header and fuel line. It touches the header without a zip tie to hold it back a hair. TPIS tells me this is not a problem. What do ya'll think?
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Old Sep 28, 2008 | 12:51 PM
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Originally Posted by jasenr
Does anyone here have TPIS LT headers? I have the non emission headers and am going to switch to the emission headers to pass inspection. Before I do this, has anyone had any issues with clearance from the fuel line. Mine currently has 1/64" from the header and fuel line. It touches the header without a zip tie to hold it back a hair. TPIS tells me this is not a problem. What do ya'll think?
If you are referring to the lines on the pass frame rail, just bend them. I wrapped mine (after bending) with thermotec wrap to keep them cool. I did manage to get 1 inch of clearance by bending.
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Old Sep 28, 2008 | 01:53 PM
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My fuellines have been rerouted completly. Moved from the exaust to the far passenger side(rubber) closer to the A.C. to keep it away from the header heat. Anything to keep the rubber or stainless steel lines cooler and away from unneccesary heat is a plus.

Last edited by M.J.L.; Sep 28, 2008 at 01:55 PM. Reason: editing sentance
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Old Sep 29, 2008 | 12:32 PM
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My TPIS LTs have no fuel line clearance issues, but is an LT1.
Hopefully you didn't get the "ticking" pinhole from the factory on the weld where the #4 primary tube mates to the flange like I have.
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