420a turboing
#1
420a turboing
okay so ive heard alot about turboing a 420a and how its not good as a GST. i know all about it. anyways i know the basics about installing the turbo, pre and after tuning, how much psi the head can hold, and to have a good mechanic if i need any help.i just need some help on the specifics and if anyone knows any how tos on this. thanks
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