I got burnt by someone selling me a dead long motor after killing my own motor.. So as a result I am left with a pair of dead 207's

Bit of background on the car and what it will be used for. Its a 99 sti. Mainly to be used for trackdays, hillclimbs and sprints etc.

Supporting mods.
Syms Racing Headers
3" Turbo Back
ARC Induction Box and Silicone intake.
Vf28
Using version 8 heads with non avcs cams.
ARP Head Stud Kit
Motec to run the show.
Also has lightweight flywheel and Cosworth windage tray.

Option 1
EJ207 Short block

Option 2
Machine Old block
Crank Grind
New Set of Shells
Set of Cosworth Rings and Pistons and retain standard rods.

Option 3
Machine old block
Decent set of rods
Set of Stroker pistons
2.5 L Phase 2 crank

Option 4
257 short block


I dont have a huge budget for this build as I have already bought an engine for it and been fucked over by the seller so as much as I would love to go full crazy on it.. I just cant afford to.

So what would you do and why would you do it.

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I used to tune cars with screwdrivers.
Clutch, Brake, Accelerate.