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Old 01-26-2004, 10:35 AM
BOWE62 BOWE62 is offline
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Are the stock t400 cooler lines supposed to be steel all the way to the radiator on a 67 gto. Mine are steel until about 1 foot from the cooler then they go to rubber with 3 hose clamps on each side where they connect, of which one is leaking. 5/16 rubber lines might be wrong size/too big. I put a new 5/16 with 2 hose clamps, leaking again at same spot. Do you guys have 1/4 rubber on there...Did previous owner cut these lines and with new tranny/radiator and there never was supposed to be rubber. Don't want to lose fluid and fry my firm shifting 400( although then I would have good excuse to go to a 200 r4 ) thanks for all your help greg

Greg Bower

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Old 01-26-2004, 12:10 PM
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Verdoro 68 Verdoro 68 is offline
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Pretty much any of the places you listed has them as well as Inline Tube, Fine Lines and The Right Stuff. If you aren't into 100% originality I'd recommend going with stainless steel lines since they won't rust.

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Old 01-26-2004, 10:35 AM
BOWE62 BOWE62 is offline
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Are the stock t400 cooler lines supposed to be steel all the way to the radiator on a 67 gto. Mine are steel until about 1 foot from the cooler then they go to rubber with 3 hose clamps on each side where they connect, of which one is leaking. 5/16 rubber lines might be wrong size/too big. I put a new 5/16 with 2 hose clamps, leaking again at same spot. Do you guys have 1/4 rubber on there...Did previous owner cut these lines and with new tranny/radiator and there never was supposed to be rubber. Don't want to lose fluid and fry my firm shifting 400( although then I would have good excuse to go to a 200 r4 ) thanks for all your help greg

Greg Bower

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Old 01-26-2004, 10:54 AM
BOWE62 BOWE62 is offline
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Les, Where can I get the right lines? PY, Year One, Ames carry them, junkyard from other similar cars?

Greg Bower

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Old 01-26-2004, 04:09 PM
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Greg,

67 GTOs had both trans outlets in the bottom of the downflow radiators, 68 up models had the outlets in the crossflow radiators on the passenger side. I have seen this mod before and it is usually the result of some shadetree shortcut.

Les

66 GTO Coupe,455/trips,700r/2500stall,12bolt/3.08,1.79/13.01/104.5
68 GP daily driver and 2004 Route 66 Tour participant under restoration
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'65 Buick Sport Wagon Custom, 340, T350, 3:23
'66 GTO Post/468, 700R4, 3.31 (Mike's as of 9-16)
'68 Grand Prix/455, dual AFBs, T400, 2:93 posi (sold)
'72 TA tribute/461, T400, 3.08, (Russ's as of 9-16)
'97 Mitsubishi Eclipse Spyder Turbo, Konis, 5 speed
'09 Torrent GXP, nav, Sun & Sound pkg., Bilsteins
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Old 01-26-2004, 10:42 AM
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Greg,

You are correct, they have been cut. I would replace the rubber hoses and clamps to be safe until you opt to replace the trans. New steel or stainless lines are available.

Les

66 GTO Coupe,455/trips,700r/2500stall,12bolt/3.08,1.79/13.01/104.5
68 GP daily driver and 2004 Route 66 Tour participant under restoration
--------------------------
Better lucky than good

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----------------------------
'65 Buick Sport Wagon Custom, 340, T350, 3:23
'66 GTO Post/468, 700R4, 3.31 (Mike's as of 9-16)
'68 Grand Prix/455, dual AFBs, T400, 2:93 posi (sold)
'72 TA tribute/461, T400, 3.08, (Russ's as of 9-16)
'97 Mitsubishi Eclipse Spyder Turbo, Konis, 5 speed
'09 Torrent GXP, nav, Sun & Sound pkg., Bilsteins
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Old 01-27-2004, 11:43 AM
BOWE62 BOWE62 is offline
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Ok, thanks Les, now I know to order the lines for a 67 gto

Greg Bower

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  #8  
Old 01-26-2004, 01:35 PM
BOWE62 BOWE62 is offline
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Since someone cut my tranny lines previously to install a new radiator, does that mean that the original radiator had the inlet and outlet lines on the same side, versus the radiator on the car now has one on one side and one on the other...

Greg Bower

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