Guest TurboSedan Posted December 10, 2002 Report Share Posted December 10, 2002 in my quest for TGP engine parts i have found that the TGP uses a different coolant overflow tank than the one i have (i have the '91+ variety). it seems that the only reason the TGP uses a different tank (and more importantly a completely different location) is that the TGP air box gets its air from a hole in the passenger side fender/ECM cover. i was wondering if any of the TGP owners out there have swapped in the '91+ 3.1 overflow tank? it probably wouldn't work with the stock TGP air box setup, but it seems like there would be less clearance issues when using a K&N cone filter, and the overflow tank is easier to get at also. i am also wondering if the coolant tank being there hinders airflow in any way? anyway, for anyone doing a turbo conversion i would suggest a '91+ 3.1 coolant tank instead of the TGP setup. Quote Link to comment Share on other sites More sharing options...
Guest Anonymous Posted December 11, 2002 Report Share Posted December 11, 2002 The coolant tank is below the level of the turbo and it doesn't really cause clearance (depending which filter you use) or airflow problems. It's just a pain in the ass to get to. Quote Link to comment Share on other sites More sharing options...
Guest TurboSedan Posted December 11, 2002 Report Share Posted December 11, 2002 yeah, i guess the main advantage (for me) is that i don't have to look for a rare TGP overflow tank. joshua Quote Link to comment Share on other sites More sharing options...
Guest Anonymous Posted December 11, 2002 Report Share Posted December 11, 2002 yeah, i guess the main advantage (for me) is that i don't have to look for a rare TGP overflow tank. joshua Very true! Quote Link to comment Share on other sites More sharing options...
carl Posted December 20, 2002 Report Share Posted December 20, 2002 I use that coolant tank. Its eaiser to use plus it keeps hot water away from the intercooler. Quote Link to comment Share on other sites More sharing options...
Chris A Posted December 20, 2002 Report Share Posted December 20, 2002 I did the swap to the bottle that fits where the cover is. It works really well, just have to add some tabs at the bottom for it to fit into. there is actually a coolant tank for a w-body that will work. A 91-92 ish regal 3800 has one that hangs off of the strut tower and fits over the computer cover where the hole for the air box goes. If you wanted to use the original cover. Quote Link to comment Share on other sites More sharing options...
1trucavalier Posted December 27, 2002 Report Share Posted December 27, 2002 you can really use any overflow it doesn't really matter as long as it has a return and a vent. Mine is relocated to sit in front of the radiator. Quote Link to comment Share on other sites More sharing options...
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