I agree with Stevie and Gustaf with this. I have a recently built turbo pinto with 300hp at the wheels. It is a pinto block & crank with YB rods & pistons, and used a 1.6L pinto head to get 9:1CR. Obviously the head needed money spent on it (turbo cam, porting, followers, springs, stainless valves) and accounted for about half of the build cost that totalled 3300GBP. Around 3 years ago I had an opportunity to buy a VERY low milage and complete YB head, pistons & rods, 9 bolt crank for 2000gbp. In hindsight I was silly not to buy it because of the condition. From what I understand the alloy goes soft in YB heads and should be hardness tested before use which can cost up to a couple of thousand dollars. With the YB head I still would have had to have spent $$ on custom hotside, turbo, wiring, tuning, ECU, driveline, injectors etc and a very large added cost would be deleting the brake booster tower and going bias pedal box route. With the pinto there was enough room to keep the brake tower and it looks neat in my MK2 Escort. My turbo is a Garrett GT2860RS and is maxxed out at 300hp. I may go to a GT2871R in future and do a retune. The car runs on E85 20psi
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