Need help on combos for 340
- Thread starter Sharko
- Start date
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1968FormulaS340
Well-Known Member
You will be stroking it if you want pump gas and 500-600hp. You will also be putting a cage and all required safety equipment in it if you plan on running at a track.
Low side...
http://www.carcraft.com/techarticles/ccrp_1006_small_block_mopar_stroker_dyno_test/index.html
There are some tweeks that can be made to that build and get over 500. That engine with a 950hp and electric water pump drive made right at 500 on his dyno.
High side you'll need to spend some money on cylinder heads and a big cam, compression to get 600hp
11:1
Light bobweight set up
260-270 at .050 cam .650 lift roller or solid
Victor intake
950-1050 carb
Heads that flow in the 300+ range
1 3/4" or larger headers
http://www.carcraft.com/techarticles/ccrp_1006_small_block_mopar_stroker_dyno_test/index.html
There are some tweeks that can be made to that build and get over 500. That engine with a 950hp and electric water pump drive made right at 500 on his dyno.
High side you'll need to spend some money on cylinder heads and a big cam, compression to get 600hp
11:1
Light bobweight set up
260-270 at .050 cam .650 lift roller or solid
Victor intake
950-1050 carb
Heads that flow in the 300+ range
1 3/4" or larger headers
bad440
everything,all the time..
and lots of dollars!
dodge freak
Well-Known Member
I would go BBM for those HP numbers, imo
Depends on how steetable you want it. Those heads are capable of getting in the 530-550 range. More than that, look elsewhere and open up your wallet.
Here's a something will a little more umphhh. Going to be a car craft article soon.
http://www.forabodiesonly.com/mopar/showthread.php?t=147129
Figure out an HP goal and build to the goal. What you need for 500 is very different from 600hp and the cost go up.
Talk with Brian with an HP goal and he can build something to get you what you want.
Here's a something will a little more umphhh. Going to be a car craft article soon.
http://www.forabodiesonly.com/mopar/showthread.php?t=147129
Figure out an HP goal and build to the goal. What you need for 500 is very different from 600hp and the cost go up.
Talk with Brian with an HP goal and he can build something to get you what you want.
Here is what I run, it makes somewhere in the low to mid 500 hp range:
360 block, 410 ci, pump gas, 10.8:1 compression
Eagle 4.00 steel crank, Scat I-beams, Diamond pistons, total seal rings (file fit),
ARP main/head studs, Edelbrock heads stage II ported by Ryan J @ Shadydell,
Small solid roller 248/254 duration w/ .576/.582 lift, Victor intake, Proform 750 dp,
4.10 gears, spool, 35 spline axles, pinion snubber, drag shocks front and rear
727, manual valve body, 8 PTC converter, 28x11.5 Hoosier QTP
3250 lbs, street trim and with 3 inch Flowmasters.
I would suggest a bigger cam than what I'm using, something in the 260° range with .600+ lift. That would get you solidly into the mid to upper 500hp range (even on pump gas).
360 block, 410 ci, pump gas, 10.8:1 compression
Eagle 4.00 steel crank, Scat I-beams, Diamond pistons, total seal rings (file fit),
ARP main/head studs, Edelbrock heads stage II ported by Ryan J @ Shadydell,
Small solid roller 248/254 duration w/ .576/.582 lift, Victor intake, Proform 750 dp,
4.10 gears, spool, 35 spline axles, pinion snubber, drag shocks front and rear
727, manual valve body, 8 PTC converter, 28x11.5 Hoosier QTP
3250 lbs, street trim and with 3 inch Flowmasters.
I would suggest a bigger cam than what I'm using, something in the 260° range with .600+ lift. That would get you solidly into the mid to upper 500hp range (even on pump gas).
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