How To Set The Timing

[hunt5.0vert]

Just one from the intake manifold. You can get a box of assorted vacuum t fittings and tubing from the auto parts store

alright sweet btw I Hav a 99 Buick regal GS that has a 3.8 with a m90 and I am always fighting with heat witch cause engine detonation and then I get (KR) witch sets my timing way back ton and I lose tons of HP I'm just kinda wondering about that happening

 

[a91what]

Nope not with these, you will need to pull out some base timing once you make boost. More than 4lbs pull 3* more than 6lbs pull 5*
You will need to experiment to see what works best for your setup