the look and shape of the calibra is why i picked it to mod up
with the cosworth built XE red top engine i found it to be a strong engine to be upgraded, i have it running 201bhp but can cope with 280bhp
raise compression ratio to 12.0:1 with revised cylinder head porting and valve diameters increased by 1mm, with q450 cams solid lifters full race valve springs and vernier timing pulleys.
dta engine management system 2x dcoe throttle body kit with direct air intake.
