Some background... Ive got a nearly rust free 1983 4x4 Suburban. Based on the vin, it started its life as a 6.2 diesel. Previous owner swapped out for a 454 w/ th400. (think it's all from the 70s, have not yet been able to find numbers). Ive owned for a couple months now and am still trying to work out some bugs. Namely, over heating at idle. Its been this way sense I purchased it. I have zero clue if this thing is "built". But has Edlebrock performer 2.0 intake w/ 750cfm 1407 Edlebrock carb (fresh rebuild). Was converted to Serpentine. Has AC (front and rear). Recently replaced leaky oversized copper rad for new aluminum rad with dual fans. New hoses and thermostat. New plugs and wires. And recently had the manifolds and 2.25" dual exhaust swapped out for ceramic flowtech long tube headers and 2.50" pipes (off brand mufflers are not doing a whole lot ). Now....the serp conversion looks....well, kinda crude. Im not real sure if it was an actual kit, or if they cobbled it together. There is a huge run across the top that really seems, wrong. And I think they might not have installed a "reverse flow" pump....and serp is for sure turning it counter clockwise. Truck does just fine running down down the highway. Stays right at 185°. When I get in traffic or even just slow down to a crawl in a parking lot or drive way...the temp climbs up to 220-240 in pretty short order. I'm going to replace the water pump regardless. Really hoping someone might point me in the direction of a quality reverse flow? Part numbers are awesome. Found an edlebrock victor series (part # EDL-8854). Will this fit my application?