i beleive my 2000 302 has 1.5 in inlets and outlets . most radiators i find have 1.5 in inlets and 1.75in out lets . when i run the plumbing can i run 1.75 on the outlet side and then have it reduce to 1.5 just before the engine or do i have to stick with 1.5 all round?

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2000 XLT 5.0l w/t-5 WC 2wd, caged rearend, caged interior, caged engine, Custom fuel system, Ford 8.8 swap with discs, deavers with 2.5 king shocks double bypass, custom mid travel a arms with king coilovers, Aluminum 20 gal fuel cell, custom trans crossmembers, flared fiberglass, crow 5 point harness and race seats, two 10in subs w/custom box, 8 hid 8 inch lights, O/R h-Pipe w/flow masters, 33in BF Goodrich tires with true beadlocks.

no one can answer this?

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2000 XLT 5.0l w/t-5 WC 2wd, caged rearend, caged interior, caged engine, Custom fuel system, Ford 8.8 swap with discs, deavers with 2.5 king shocks double bypass, custom mid travel a arms with king coilovers, Aluminum 20 gal fuel cell, custom trans crossmembers, flared fiberglass, crow 5 point harness and race seats, two 10in subs w/custom box, 8 hid 8 inch lights, O/R h-Pipe w/flow masters, 33in BF Goodrich tires with true beadlocks.

If the outlet to the water pump is 1/4" bigger, think about how much bigger the side tank is than the outlet itself; it should work fine. However, I've read about attempts to add a rear-mount radiator and the OEM pump just wasn't up for pumping coolant through all of that plumbing.

how many gpm should my pump flow for a rear mounted radiator

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2000 XLT 5.0l w/t-5 WC 2wd, caged rearend, caged interior, caged engine, Custom fuel system, Ford 8.8 swap with discs, deavers with 2.5 king shocks double bypass, custom mid travel a arms with king coilovers, Aluminum 20 gal fuel cell, custom trans crossmembers, flared fiberglass, crow 5 point harness and race seats, two 10in subs w/custom box, 8 hid 8 inch lights, O/R h-Pipe w/flow masters, 33in BF Goodrich tires with true beadlocks.