I have heard that you can drill and tap the egr port on the heads then install a plug in it to cut down on heat in the intake. Is this true?

Also, do any of you have any other tricks I could use in order to pull a few extra ponies out of my 1990 5.0L?

Just in case you need to know, here is what I have done to the engine:

Summit block with a 347 stroker kit
Hawks racing Nodular crankshaft
Hawks racing forged I-beam rods
Keith Black .030 forged flattop pistons w/valve reliefs
Trick flow twisted wedge heads 2.02/1.60 61cc chamber, 170 intake runner, 66 exhaust runners.(Ported & polished)
Trick flow hydraulic roller camshaft 221IN/225EX 0.499/0.510 lift.
Compcam Noisy geardrive
Trick flow full 1.6 roller rockers.
Trick flow upper and lower intake.(Ported & polished)
MAC 1 5/8 longtube headers
FoMoCo 24lb injectors
BBK 70mm TB
Granitelli 75mm MAF cal.24#'s and CAI
BBK CAI
BBK 70mm EGR spacer
C-4 trans w/ 10inch Stall.
FoMoCo 4.10 gears
MSD Pro-Billet Ready-To-Run EFI Distributor
Taylor 10.4 blue wire set
Summit high output coil
Battery relocation
255lph fuel pump
BBK fuel press reg.
straight pipes no cats with Flowmaster 40 series w/turndowns


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Do I have any takers for this question?

 

it might work, but I dont think it will be significant.