Yes the air/ smog pump lines that go to the front off the exhaust manifolds
Crap like that always pisses me off
looks good my bump stops up front stopped it 1" before shock bottomed out ,did not flex all the way out front shock out about 9" still have 5" to go , the back im going to adjust the shocks in further .more up travel less down travel it was out about 8" i will do some tuning on it 

what a mess .took care of that issue .took it back to the car wash wash all the gear oil off the underside . no more leaks .cant wait to see yours finished its looking goodI'm lovin da turd!!!
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hey jav have you been workin on your blazer
cant wait to see how much better it wheels .