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my 92 lt1 build first start open headers
Thread Starter
Intermediate
Joined: Jul 2012
Posts: 26
Likes: 2
From: Illinois
my 92 lt1 build first start open headers
Ported lt4 intake, bbk 58mm tb, k&n filter, 36# great white injectors, pcm custom tune, lt4 hotcam and springs, comp cams roller lifters, spring shims and push rods, afr 190 ported and polished heads with ss 2.05 intake and 1.60 exhaust valves, arp bolts and studs, 1.6 roller rockers, msd 8.5mm wires, acell coil, delphi vented opti, ngk g plus plugs,tall chevy polished aluminum valve covers, hd double roller timing chain, obx long tubes and a new water pump. Hope you enjoy. I still have some tweaking to do on the tune though.
http://m.youtube.com/watch?v=nt64XHeDn-k
http://m.youtube.com/watch?v=nt64XHeDn-k
Last edited by topless92; Oct 21, 2014 at 06:10 PM.
Thread Starter
Intermediate
Joined: Jul 2012
Posts: 26
Likes: 2
From: Illinois
No, that was actually after the break in and oil change. I just didn't have the camera tthe first time. I woke up my daughters friend that works midnights. Oops. Now off to the dyno for a final tune and exhaust.
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Thread Starter
Intermediate
Joined: Jul 2012
Posts: 26
Likes: 2
From: Illinois
Thanks. Yes it was from pcm of sc. Running a bit rich right now, i am going to put the stock tune back and some 26 pounders i have to get it to the shop so we can dial the 36ers in. It does sound amazing though, shes a bit of a flamethrower now. The install was a bit different as the whole valve train geometry had changed due to the heads being machined. Needed to shim the springs for proper intall height and 2 different size pushrods as the intake valves were slightly taller than the exhaust. Taller valve covers to fit the rockers so modifying the ac alternator bracket to fit, also the lt1 fuel rail had to be reamed out to to fit the lt4 intake. I will get some detailed pics posted soon.
Thread Starter
Intermediate
Joined: Jul 2012
Posts: 26
Likes: 2
From: Illinois
Yeah i mowed it over and think im going to stop here. 7500 in the motor and trans, but i do love the car. Another 1500 for the exhaust and tune and ill stop just short of a divorce. Although an engine management system would be nice as the 92 you have to do mail order or a shop tune every time you want to change anything.