What to do? Keep 440 or put stroker back in?

[Hemirunner]

Not to hijack but is that true 500-600hp is tops? That seams a bit low especially the 500hp? I ask because I'm in the 500hp range and have been contemplating twin Turbos for awhile which would bring it up to around 700hp. I was going to switch out my Hyp pistons for Forged and get better rods while keeping the factory 1971 steel crank?

You're contemplating the wrong twins if it's only 700hp!

 

[Wookie316]

You're contemplating the wrong twins if it's only 700hp!

Where would you take a stock block to? Lots of opinions out there.

 

[dvw]

What is the official rule on a diaper? I was under the understanding that it is not needed until you are under 10.0?
I could be wrong though.

You dont need one until it spits the rods. 3 friends in the last few years. All 3 broke rods. Not one required track cleanup. Best of all, no one crashed in their own oil. Cheap insurance. Mine was built with one from the start.
Doug

 

[747mopar]

You're contemplating the wrong twins if it's only 700hp!

Lol, 500hp is a lot of fun, I think 2 more is sufficient plus cost goes up per output.

 

[Hemirunner]

Where would you take a stock block to? Lots of opinions out there.

I want to do a 400 block based twin turbo setup and find that limit with a stock 383 forged crank, good rods, custom pistons and good heads with EFI. I think 1000rwhp would be easy to do and live no problem. I did a 1000fwhp 440-1 head stock block engine on methanol that lived a nice long life.

 

[Mike Gaines]

Not to hijack but is that true 500-600hp is tops? That seams a bit low especially the 500hp? I ask because I'm in the 500hp range and have been contemplating twin Turbos for awhile which would bring it up to around 700hp. I was going to switch out my Hyp pistons for Forged and get better rods while keeping the factory 1971 steel crank?

All reports that I have read say that about 700 HP is max for the stock block and that is if the stock block has a girdle and steel billet main caps.

 

[Wookie316]

The 400 stroker has billet main caps. The 440 just has upgraded bolts. I know every time I let go of that button it could be the time. Probably a lightweight 440 crank would be a big help also compared to that big old boat anchor.
I know anything can let go at anytime and when you get to the power I am running nothing is for certain. I've always been told the bigger the spark the shorter the fuse.
Who makes a good diaper for a Dodge deep pan?
Also from my builder. T & D have not shipped intake rockers yet, so I am in the process of starting converter swap. 440 will rest in the bay awhile longer.

 

[1967coronet440]

The 400 stroker has billet main caps. The 440 just has upgraded bolts. I know every time I let go of that button it could be the time. Probably a lightweight 440 crank would be a big help also compared to that big old boat anchor.
I know anything can let go at anytime and when you get to the power I am running nothing is for certain. I've always been told the bigger the spark the shorter the fuse.
Who makes a good diaper for a Dodge deep pan?
Also from my builder. T & D have not shipped intake rockers yet, so I am in the process of starting converter swap. 440 will rest in the bay awhile longer.

Waiting on T&D rockers myslef.

 

[Wookie316]

They messed up and sent my shop a set for the Big EZ with offset intake rocker. Now they want to fix the issue on their time not mine. I've been mellow because I have the spare motor. If I didn't i would be pretty grouchy now.

 

[Wookie316]

Converter is in. Just need to get to the track and test.

 

[Budnicks]

Converter is in. Just need to get to the track and test.

Good luck,
hope for the best, settle for the rest...LOL

 

[Wookie316]

Converter switch last year added 4-5 MPH and just over 2/10ths. Hopefully same happens this time.

 

[Wookie316]

Well converter swap did about what I expected. I lost a little off the 60, but gained almost a 1/10th and 2 MPH on the top. So wise choice. With the softer 60 I can probably hit it with 150 off the line. Currently spraying 125.
This is a new personal best.
Backed it up with a 10.38 @ 129.65 with a 1.44 60
My slicks are on their last legs, so may be better when new pair goes on.

 

[Hemirunner]

That big boy is really hauling the mail!!
Congrats!

 

[Wookie316]

Since Photobucket is being stupid, the time slip was 10.36 @ 129 and change with a 1.44 60.

 

[Budnicks]

Nice pass Wookie, thanks for sharing