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98' 4.3 engine knock/swap??

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Old Oct 15, 2009 | 10:14 PM
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Default 98' 4.3 engine knock/swap??

150k, L35, I just got it, well driven and maintained up to 100k that I know of. wondering about fixin(crank & rod probably?) or getting a lower mileage used when available and priced right.......If replaced wondering if an rpo-LU3 (2003 saw the L35 discontinued and the LU3 replacing it in all other applications. The biggest change to the LU3 and LG3 was the fuel injection system. These engines used a multipoint fuel injection system, with six Multec II fuel injectors mounted at each intake port on the manifold. The composite upper intake manifold and cast aluminum lower intake from the L35 engine is also used on the LU3. The LU3 also received a quiet cam to help reduce vibration at both idle and high engine speeds. This camshaft used the same lift and duration as the older design, but the cam was reprofiled to keep the valve lifters in full contact with the cam lobes as the cam ramps down) would be an exact swap???
Anybody know or been down this road? TIA!

Last edited by Bill's Dad; Oct 15, 2009 at 10:17 PM.
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