The thing about this Blueprint crate engine is that it is meant to be a drop-in replacement for a stock 350 TBI engine. Everything that is in the truck is meant to hook right back up and run the new engine. They even supply a new chip for the ECM.
When my engine was installed, there were a few old parts that needed to be replaced. The radiator was partially blocked, oil cooler lines leaking, things like that. The water pump, fan clutch, and fan were already new because I was chasing a fluctuating coolant temperature before the new engine install. I have a manual transmission so I did have a new flywheel and clutch put in while they were out. After install, I had a high flow catalytic converter, 3” pipes, and Magnaflow knockoff muffler installed.
The list of mods has ballooned since then [emoji38]. To try to get more out of the 383, I have put in 80 lb/hr big block injectors and the EP381 fuel pump from the Vortec trucks. I started doing my own tuning and have it running really well with the increased fuel delivery, as well as disabled and blocked off the EGR. Although, it is still bolted to the manifold for emissions visual inspection. I have a big block throttle body and bored intake manifold on the shelf ready to go when I get some time so I can increase air delivery also. When I do the intake change, I have a larger 3 row radiator ready to go also because it does tend to heat up when towing. I’ll do headers and Y pipe in a few years when I can get an emissions exemption due to age of the vehicle to finish off the exhaust system.
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