87 gt convert please help

itsmyfiveoh · May 2nd, 2007, 03:23 AM

ok im a new member i have a 87 vert with stock bottom end, lightly ported e7s, complete msd ingnition the 6a box, dizzy, and blaster 2 coil, underdrive pulleys, bbk shortys, 2.5'' off road h pipe. 5 speed my question is this the ass i bought it from put bolts in the o2 sensor holes and cut them off. the car runs but not the greatest. i have a couple of question one do the o2 sensors have to go in those holes or can i redrill them farther down the pipe, also do i have to put 2 sensors in or will just one give the cpu the reading. also i bought a new dip stick but i cant get it past the headers please help me please thanks

Drick · May 2nd, 2007, 09:00 AM

I dont think it would make that big of a difference if you mounted the o2 senors a little farther down the pipe someone correct me if im worng but you will have to have both of them for the cpu to read the senors right

welcome to MM

Racinjason81 · May 2nd, 2007, 12:00 PM

you need to install both sensors.you could also mount them a little further
downstream also keep them somewhat near the same clocking as the stock

itsmyfiveoh · May 2nd, 2007, 01:50 PM

ok thanks neone had the trouble with the dip stick? also is that why my car is running so rich is the o2 sensors not therte so it is overloading with fuel? also i was under the car today one of the mufflers is backwards will this cause a big prob? i bought the h pipe off a guy a work already put together jackass. well i hope to hear your input thanks

B.A.M302 · May 2nd, 2007, 04:34 PM

I don't know exactly what you mean by having trouble with the dip stick not fitting but you can bend the shaft a little to make it fit if thats what you need to do. The muffler being on backwards??????? are you sure it's on backwards

itsmyfiveoh · May 3rd, 2007, 02:40 AM

im very sure its on backwards one is entering in the center the other is entering in the offset i looked at them they are both the same part number. will this make it run bad also or will it just blow the baffle out? ive never came acrossed this prob. thanks

sniperrider · May 3rd, 2007, 02:53 AM

dont hold me to this but i think having the muffler backwards can make it run a little weird, but not too much. i dont know what that will do to your back pressure but you might want to fix that.

May 2nd, 2007, 03:23 AM	#1
itsmyfiveoh Newbie Join Date: May 2007 Posts: 12	87 gt convert please help ok im a new member i have a 87 vert with stock bottom end, lightly ported e7s, complete msd ingnition the 6a box, dizzy, and blaster 2 coil, underdrive pulleys, bbk shortys, 2.5'' off road h pipe. 5 speed my question is this the ass i bought it from put bolts in the o2 sensor holes and cut them off. the car runs but not the greatest. i have a couple of question one do the o2 sensors have to go in those holes or can i redrill them farther down the pipe, also do i have to put 2 sensors in or will just one give the cpu the reading. also i bought a new dip stick but i cant get it past the headers please help me please thanks

May 2nd, 2007, 12:00 PM	#3
Racinjason81 Hardcore Enthusiast Join Date: Feb 2007 Location: New jersey Posts: 1,559	you need to install both sensors.you could also mount them a little further downstream also keep them somewhat near the same clocking as the stock __________________ Heres a real funny video youtube.com/watch?v=ojB7KkaR03I VTEC stands for Very Torqueless Economy Car Honda stands for Hold On Not Done Accelerating 1991 LX 5.0 H/B(T-70 turbo coming soon)

May 2nd, 2007, 04:34 PM	#5
B.A.M302 Regular Join Date: Jan 2007 Location: maryland Posts: 89	I don't know exactly what you mean by having trouble with the dip stick not fitting but you can bend the shaft a little to make it fit if thats what you need to do. The muffler being on backwards??????? are you sure it's on backwards __________________ Crate 302, Trick Flow Intake R, 75mm MAF, bbk 75mm throttle body, bbk 76mm EGR spacer, 351 Winsor heads ported and polished by Bennet Racing, Lunati cam, 30 pd. Injectors, TKO 500, aluminum drive shaft, bbk mid length headers, bbk off road H pipe, 3:55,

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May 2nd, 2007, 09:00 AM	#2
Drick Chicken Plucker 2004 FX4 F150, 86 GT Join Date: Apr 2007 Location: Central Florida Posts: 8,276	I dont think it would make that big of a difference if you mounted the o2 senors a little farther down the pipe someone correct me if im worng but you will have to have both of them for the cpu to read the senors right welcome to MM

May 2nd, 2007, 01:50 PM	#4
itsmyfiveoh Newbie Join Date: May 2007 Posts: 12	ok thanks neone had the trouble with the dip stick? also is that why my car is running so rich is the o2 sensors not therte so it is overloading with fuel? also i was under the car today one of the mufflers is backwards will this cause a big prob? i bought the h pipe off a guy a work already put together jackass. well i hope to hear your input thanks

May 3rd, 2007, 02:40 AM	#6
itsmyfiveoh Newbie Join Date: May 2007 Posts: 12	im very sure its on backwards one is entering in the center the other is entering in the offset i looked at them they are both the same part number. will this make it run bad also or will it just blow the baffle out? ive never came acrossed this prob. thanks

May 3rd, 2007, 02:53 AM	#7
sniperrider Regular Join Date: Apr 2007 Location: olympia washington Posts: 391	dont hold me to this but i think having the muffler backwards can make it run a little weird, but not too much. i dont know what that will do to your back pressure but you might want to fix that.

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