d-series+200thou+boost=?????

[type one]

If the engine has been well looked after as you say then boost it to 7psi. This should not put an amount of stress on the motor to kill it for another 100K hahaha. Even if it does, D engines are cheap and plentiful.

[wynode]

If the engine has been well looked after as you say then boost it to 7psi. This should not put an amount of stress on the motor to kill it for another 100K hahaha. Even if it does, D engines are cheap and plentiful.

Ditto!