LQ4 conversion questions
1.) Will I need to change out my gas tank or will the original tank be suffice?
2.)The car is an automatic but im putting in T56 so will I need to get a crossmember off a Z28 or SS or will the one I have do?
3.)Same question for the radiator.
2) I would think a fact T56 crossmember. But if you have access to a welder and grinder w/matrl....... make it fit
3) I believe the 3.4L radiator is too small. You can get a new LS1 98-02 radiator from www.rockauto or www.autozone.com for about $119.00
I am sure others will chime in soon
2) The LT1 auto crossmember will work (not sure about the V6 one)
3) The LT1 radiators are bigger then LS1 radiators but I'm unsure on the V6 one
-The 6 speed mount IS different than the auto mount. The 6 speed mount is offset to the rear more, but bolts into the same spot as the original A4 that you have, in fact the mount your gonna need is the "newer" '98-02 mount. Just an FYI though, A4 V6 crossmembers and A4 V8 crossmembers are the same. The 6 speed mount can also be used for the TH400 (short tail) w/no mods, thats what I have under mine. It has to be "shimmed" up a bit though for d/l angles.........
-Radiators look the same, but the fans/shroud ARE different. I have a SS set up in mine now, it may be an SS thing, but they ARE definitely different than the V6 stuff.
-Fuel stuff wise, they ARE different. 2 line for the V8 and 3 line for the V6. Its been a while, but Im 99% sure that this is the set up that was in my '96, in fact Id bet it is. I have 4 lines coming out of the sending unit. One for the vent/charcoal can behind the d/s rear wheel, then the other 3 to the motor..... Regardless, 2 line system to 3 line system......... Possibly take the "t" out, and re-flare the lines w/a union and cap the sending unit like I did??? I was originally gonna go FI, and what I can remember is the stock V6 pump will work, but runs outta "steam"/cant keep up to the V8 on the big end. Either an additional external inline pump was needed or just go to the V8 in-tank pump. Again, IIRC correctly the V8 pump will go into the V6 sending unit.......
Check this thread out, if you guys havent seen this yet. Great write up and pics to go with it.........
https://ls1tech.com/forums/conversio...ap-w-pics.html
Last edited by blk96406; May 3, 2010 at 11:25 PM.
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Remember Im running a stock LQ4 with L92 heads and an LS6 intake, im looking for max HP and Torque, any suggestions will be helpful Thanx!!!







