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GMRULZ · 10-25-2009, 08:56 PM

Well I finally decided to reroute my heater hoses. I mean how great a design is to have hot coolant hoses laying on your intake manifold and an engine cover thats insulated over top of the hoses retaining serious heat, transfering said heat into the intake manifold is definetly not good for power. I did take the insulation off the underside of the cover but felt that was not enough. Also it looks like crap if you take off your engine cover.

So I decided to figure a way to do this and I was going to get some 90 degree brass fittings and universal hose, put 2 90`s back by the firewall and put 2 at the frame rail to send the hose back to the t stat housing. Instead after talking to Sack Rat 2SS he found 5/8 hoses at autozone that had 90`s on one end premolded into them. These are perfect for the job. I used the 90`s at the firewall and routed the hoses behind the heatshield and under the ABS perch then back to the t stat housing. This worked great w/ a little trimming. I also cut a section of the factory hose insulation (not pictured took pic before installing it) and secured it w/ zip ties in the back as the edge of the hose touched the edge of the rear coil pack. Probably would be fine but I just wanted to be sure it wouldn`t rub through. I used screw type clamps and lets just say it is a pita to get the factory squeeze style clamps off the heater core in the back, not to mention getting the hoses that are what felt like glued to the outlets off was an amazingly hard task for something so simple. I beleive like the ford truck comercial holding the entire truck up by one bed bolt i could have hung by the heater hose w/ no clamp and it would have never came off..Lol.. I did remove the rear coil pack for access. Also of note is one of the outlets is 3/4 at the firewall but w/ a little lube the 5/8 hose will slide over it. the screw clamps i used on the rear connections at the core were installed w/ a small 1/4 drive ratchet w/ a 8 mm socket. At the time I also installed a 160 t stat since I was going to lose coolant anyway.

Here are the pics:

10-25-2009, 08:56 PM	#1
GMRULZ Drives: 2010 SS & 2008 C6 Join Date: Mar 2008 Location: VA Posts: 1,819	ReRoute of Heater hoses w/ pics Well I finally decided to reroute my heater hoses. I mean how great a design is to have hot coolant hoses laying on your intake manifold and an engine cover thats insulated over top of the hoses retaining serious heat, transfering said heat into the intake manifold is definetly not good for power. I did take the insulation off the underside of the cover but felt that was not enough. Also it looks like crap if you take off your engine cover. So I decided to figure a way to do this and I was going to get some 90 degree brass fittings and universal hose, put 2 90`s back by the firewall and put 2 at the frame rail to send the hose back to the t stat housing. Instead after talking to Sack Rat 2SS he found 5/8 hoses at autozone that had 90`s on one end premolded into them. These are perfect for the job. I used the 90`s at the firewall and routed the hoses behind the heatshield and under the ABS perch then back to the t stat housing. This worked great w/ a little trimming. I also cut a section of the factory hose insulation (not pictured took pic before installing it) and secured it w/ zip ties in the back as the edge of the hose touched the edge of the rear coil pack. Probably would be fine but I just wanted to be sure it wouldn`t rub through. I used screw type clamps and lets just say it is a pita to get the factory squeeze style clamps off the heater core in the back, not to mention getting the hoses that are what felt like glued to the outlets off was an amazingly hard task for something so simple. I beleive like the ford truck comercial holding the entire truck up by one bed bolt i could have hung by the heater hose w/ no clamp and it would have never came off..Lol.. I did remove the rear coil pack for access. Also of note is one of the outlets is 3/4 at the firewall but w/ a little lube the 5/8 hose will slide over it. the screw clamps i used on the rear connections at the core were installed w/ a small 1/4 drive ratchet w/ a 8 mm socket. At the time I also installed a 160 t stat since I was going to lose coolant anyway. Here are the pics: __________________ 2010 SS L99, 536rwhp 10.843@126.72. Whipple Supercharger stock pulley, ARH 1 7/8 longtubes w/ catted xpipe, magnaflow 3" mufflers, ADM Race CAI, 3:70 gears, lightweight wheels and nitto drag radials. Stock internal L99, stock converter. Bolt on best before blower 12.22@113.29 w/ nothing but ARH headers, catted x-pipe, ADM CAI and a tune on stock Pzero`s! Other car 2008 C6 Ls3, z51, A6, Npp Exhaust, best bonestock pass 11.80@118.82, Number 2 on the Corvette Forums Bonestock fastest list..