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Kevin's 4.6L Engine Rebuild


Finished rebuild (SVO blower and other mods)

Here is how the rebuild went after breaking a piston on the dyno. It made 310rwhp/350rwtq twice before it broke. Rebuilt by myself, (98GT4me).


I found it easier to take the engine apart and then pull just the block since I was going to do the rebuild by myself. This is also the first modular motor that I have built. Added a few things as long as I had it apart also. If I had to do it again, I would save LOTS of time in machine work and waiting on parts and just go with an assembled short block from Steve. I did it a lot cheaper than buying a short block but at the expense of waiting for 3 months before I got it back together again. It fired up on the first crank. Those Dynomax Headers smoked like crazy for 15 minutes and filled the garage with thick nasty smoke, hack hack. Now for the break in and tune, either by Swanson or Inject Tech.

Rebuild Specs and Parts

All machine work done by Engine Systems Inc @ JBA Racing.
Thanks to Ron & Steve D @ Houston Performance for parts and lots of advice.

JE Forged Pistons, block bored +.020
Eagle Forged Rods
Clevite bearing and Hastings’s rings
ARP Main Studs
SVO High volume oil pump
Dynomax Headers
Mild porting in intake and exhaust bowl area
Performance 3 angle valve job
Polished & Balanced Crank
Stock GT valves, cams, block and crank

Other performance and handling goodies

SVO Supercharger @ 10#
Pro-M 80mm MAF
Dr Gas Off road X-pipe
Magnaflow Cat-Back
FRPP King Cobra Clutch
Steeda Timing Adjuster
13” Baer front rotors and calipers, SS lines
Cobra R rims w/255/40/17 Nitto Extremes
JBA subframe connectors
Koni Double Adjustable Shox/Struts
Global West LCA’s
Global West Front Race Springs, 925#
FRPP Rear C Springs 200#-300#
FRPP Strut Tower Brace
Maximum Motorsports CC Plates
Maximum Motorsports Aluminum Rack Bushings
AutoPower 4 Point Roll Bar
Simpson 5 Point Harness
Pro-5.0 Shifter
FR500 Steering Wheel
FRPP Boost Gauge
Autometer Exhaust Gas Temperature (EGT) Gauge


Ouch! That hurts. Inaudible detonation sucks!


New Internals, much thicker top ringland


Ready to pull block


Engine removed

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