I went from 301 to 318rwhp peak with JBA 1 5/8" headers. The black line is the 301 before, the green line is after the JBAs. To note - I had a dyno tune from before AND after the JBA install. Pardon the photoshop overlay hack
job.
Dump the timing adjuster, get a custom chip with a dynotune after all the mods are in. Then you don't need a speedcal either. Slap the blower in first. I don't know if you want to run the blower with pulleys.
You want to give the 2003's a run? 4.56 gears and take out everything you can to save weight. Seriously, get a blower. Maybe 5000? $3600 won't get you far Naturally Aspirated. You can always add the gears and other things later, but the blower will get you there immediately!
Good...
I'd get 4.10 Minimum. That's $200 for the gears and couple hundred more for the install. Oh - your going to need a speedcal or custom chip to correct your speedo. Speedcal runs about $200. BBK intake? Id go denscharger or wms intake. I also hear it makes a bit more hp than the...
Posers cars are all over ebay. I was checking out some cheap 1968-70 'Stangs, Mopar stuff and guess what? Poser cars suck. Well now that you have the cosmetics,
how about those 4v heads, brakes, aluminum block, metal intake, hand built engine.. ect.
Here ya go - before and after JBA 1 5/8 Shorties. Looks like 13.65rwhp peak.
Not too shabby for shorties. Of course you may not see as much with just JBA's because of my additional mods (ie 87mm MAF, Densecharger). Yeah, had a dyno tune before and after by Randy Haywood. He's the best I...