will the newer style thermostat and housing work on a 99 water pump
11-11-2011, 10:17 PM
#11
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I got to thinking and whats the difference in the seal? I know on the later style the seal wraps around the thermostat and sits in a recess in the water pump housing. On the 99-03 the thermostat says it includes the seal but I don't recall where the seal is located and if it sits in the water pump or not. Does the 99-03 pump have the recess in it for the seal? Its been so long since I've had one apart I really can't remember.
11-11-2011, 10:50 PM
#12
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Ahhh ok. My only real reason for wanting to go with the 04+ style is they always seem to warm up quicker, especially the 07+ trucks and that may just be all in the tuning. Maybe they get some massive spark retard during warm up. I guess a closed thermostat is a closed thermostat but if I've got to chose I would prefer to get the 04+ style. Looks like thats what I will be doing.
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