340 Build Advice

Scody21 said
Here’s a few questions to ask yourself. What’s your budget? Heads and parts. Headers? What transmission, rear end and gearing, tire size, car weight.

400 HP out of a 340 is easy, 500 is a little bit harder.

I’m at 400 right now in my 340 duster. It is .30 over, 2.02 J heads cleaned up, not ported with comp magnum roller rockers, 10.2/1 with a comp XE285HL which is a hydro 241/247 on 110. MSD and a 750 double pumper. This a solid build for an Auto, but with a 4 speed sucks until your up on the cam. Ask me how I know.

be prepared to spend a bunch of money if you just have a block as parts add up really fast.

A lot of members here have the 408 from Blue Print. You can’t beat the price unless you know people to get “jobber” pricing on parts and know a machine shop that hood and cheap.

As far as budget, I'm not entirely sure because I really don't know an average for a build. I know I've seen people saying they've spent anywhere from 5k to 20k on an engine build. I have funds available for the process, however. Currently, I have a 904 trans that I'm considering switching to a 4-speed or 727 (haven't decided), 1 5/8 TTI headers, 8 3/4 rear with 3.55 gears, 27" tires 15x8 in the back and 15x6 front, also considering moving to 18's.

My main thing is I don't have the knowledge to match parts to what I would like an engine to achieve. Like I said, mainly a strong runner driver with occasional autocrossing.