Hi, I am italian, sorry for my english...

I have 1991 z28 with 305 tpi, complete exhaust, walbro fuel pump, 24 lb injectors in tpi with 58 throttle body and procharger system at 9 psi.

I have a 383 short block (1984 cast year) to finish of built and swap the 305

What do you recommend to install for complete my 383 with procharger?

I search a budget built and 4/500 hp close maximum.

Can I use my Tpi system?
Can I use LT hotcam or other budget parts ?

Thanks!

 

If staying TPI, an aftermarket unit would be necessary. A lot of restriction with a stock tpi on a 383.

 

Welcome to the board
check out my thread in this section “surest route to 400 fwhp”
the specs on my build are in the thread. It is a decent set up making close to 400 fwhp with after market tpi on a 383 block
One mistake I made was the higher compression ratio so you may want to look into reducing compression ratio to supercharge.

 

In my opinion, the boost or positive pressure of the blower should overcome any restriction of the intake manifold...
I assume that because the block is from 1984 that its designed for a flat tappet camshaft...
That will affect what camshafts you choose. The LT hot cam was a roller cam if I remember correctly.
Google search "flat tappet camshafts for boost-Chevy"