Remain Cool
Chevy High Performance|March 2020
Mounting an affordable LS engine swap radiator and fan assembly
Jeff Smith
Remain Cool

Heading into the heat of summer always brings up issues with cooling systems. Our latest venture is with an all-aluminum 5.3L LS engine swap backed by a TREMEC TKO-600 five-speed, and one of the last install duties is choosing a cooling system package.

We did our investigations and there are plenty of quality aluminum radiators and electric fan packages that bolt right in but are priced well into four figures. Our plan revolved around an affordable aluminum radiator with an attached shroud and, preferably, a pair of 11- or 12-inch fans. Buying a complete kit means the manufacturer does all the work for you. But this comes at a price. We didn’t have $1,400, so that meant we had to do a little bit of the mounting work ourselves.

Perusing the Summit catalog, we discovered what Summit calls their Pro LS swap radiator. For our ’67 Camaro, the radiator is a full aluminum crossflow design that is configured with both the inlet and the outlet hose connections on the passenger side to accommodate the LS engine. At first, we thought we could use dual fans, but the Camaro radiator’s narrow core width of only 20 3/4-inches prevented that. Plus, there didn’t appear to be a Summit shroud kit that would work.

We did a little more searching and found an engine-driven shroud kit that offered what we needed. This shroud came with a large length of aluminum for the engine-driven fan that we didn’t need, but more importantly, this shroud covered the entire Summit Pro LS radiator core, which was critical since we had to rely on a large, single fan. We did some measurements, and with our LS engine in its “stock” (not setback) location, the combination of the fan and the shroud depth still allowed sufficient clearance to the LS water pump.

Diese Geschichte stammt aus der March 2020-Ausgabe von Chevy High Performance.

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Diese Geschichte stammt aus der March 2020-Ausgabe von Chevy High Performance.

Starten Sie Ihre 7-tägige kostenlose Testversion von Magzter GOLD, um auf Tausende kuratierte Premium-Storys sowie über 8.000 Zeitschriften und Zeitungen zuzugreifen.

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