Re: Heater core leak in 88 mustang gt
stop leak is only a temporary solution and unfortunately you've run into a very common failure item. On non A/C cars it's much easier to access than on air conditioned cars. with air tools i was able to do mine in (if i remember correctly) 3 1/2 to 4 hours taking my time (89 GT with air conditioning).
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2005 Suzuki Hayabusa GSX1300-R
1980 Ford Thunderbird - 255 V8
ported heads, 5.0L ported stock headers, O.R. H-pipe and Flowmaster 2-chambers, dual roller timing chain
hi-po Mack Truck hood emblem
1985 Mustang GT 5.0L T5, F-303, GT40p, headers, off-road h, flowmasters, MSD stuff, etc.
Sold 02/06/04 
1989 Mustang GT ET: 13.304@102.29 mph (5-24-03)
Sold - 1998 Mustang Cobra coupe, 1/4 mile - street tires: 13.843@103.41 (bone stock)
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