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gmc 350 truck tbi 350 wont start

 
allineman1 allineman1
New User | Posts: 4 | Joined: 05/09
Posted: 05/04/09
10:13 AM

had 1995 gmc truck under water. replaced computer, disributor, fuel pump assembly.
i had no compression, so i swapped the block and heads from a 1992 chevrolet. it had a 4 brl carb and intake, but i kept my throttle body and intake... i have good fuel spray and clean fuel, i have fire at all plugs  ( used a spark checker ), and with engine at tdc on #1, the rotor button faces the #1 plug on compression stroke. will not start.

it started a couple of times but i had done something really stupid i had the engine block grounded, but not the neg side of battery. then engine block ground burned in to, so i replaced it with 6 gauge wire. since the ground burned, it turns over and almost cranks, but wont... Please help!

Have 150 psi on cylinders now...  
Mud Slingers of Alabama  

 
matt31 matt31
New User | Posts: 1 | Joined: 05/09
Posted: 05/10/09
04:10 PM

have you checked all the fuses and connections? when it cranks over is it fast or slow