So now I have to pull the engine, what hp/tq upgrades can I

[nicanor]

I guess too many letters for the subject line.

So I know I have to change the cam, lifters and probably bearings. What changes can I make to increase the hp/tq keeping the numbers matching engine and use pump gas? It has a 509 Mopar cam and lifter kit in it now.

Thanks,
Barry

 

[dobie]

I went with a larger than stock cam and lifter kit, although my new one is only a 488/491 split profile. I had the heads milled a bit and opened the bowls a tad. Other than that I left it alone. It made a big difference, although, now I wish I woulda went bigger. My problem though are my pistons. I have the lowly 2 bbl pistons, so my compression ratio is way down im sure.

 

[SomeCarGuy]

What is the budget? That will determine what the suggestions are. You can literally spend as much as you can stand. Sky is the limit.

 

[nicanor]

I went with the Hughes cam and lifters flat tappet.

Intake 1.5 .510
exhaust 1.5 .510

Intake 1.6 .544
exhaust 1.6 .544

Intake duration .050 218
Exhaust 228

I also ordered the 770 Street Avenger from Holley.

Keeping the stock intake and exhaust manifolds because I want it to look stock.

Complete front end and disc brakes on the front next.

Thank you for all the help.

Barry