340 block based 418

[matt63]

How 'bout this 408 on pump gas. . . . Turbo 

I hope he's running an R3 block.

[mopower]

i had my 340 dyno at 500 horse , not stroked. punched 60 over so actually its a 348 . i also have $10,000 in this motor, cheater system next week.600 ponies...eating chevys and ****n fords

[jvike]

Mopower, any more info on that motor?

[mopower]

70 block forged crank eagle h rods forged pistons,edelbrock rpm heads port & polished.crane pro rollers 1.6 ratio msd digital 6 tti ceramic headers holley 700 double pumper 4 corner idle rejeted..cam is xtreme energy hyd 579 lift 10.7:1 comp dynoed at 490hp 515tq dyno sheet to follow

[mopower]

if i remember correctly its only 335 to the rear tires.... i 'll double check

[jvike]

  That's some great numbers for a 340. Do you remember what RPM it made power?

[mopower]

actually were having problems with the tci stall convertor its supposed to stall at 3200 but its stalling at 4800 so the new precission convertors on the way with anti balloning plates..i havent posted dyno sheet,cause were gonna have better results after the new one is installed wensday. iwill post asap

[mopower]

just put nos in my 340 ....615 ponies at the flywheel 425 to the ground

[440mike]

Is that a stock 340 block or aftermarket ?   

[mopower]

70 block stock, probably blow it up, but hey then we can build a bigger one. going race block next

[Katfish]

just put nos in my 340 ....615 ponies at the flywheel 425 to the ground

That's 30% drivetrain losses, seems sorta high.  Always heard 15-20%, would think you should have 500 at the wheels?

[mopower]

brand new dyno says 415.. see i allways heard 30% loss go figure ??

[jvike]

How did the racing go? 

[HP2]

That's 30% drivetrain losses, seems sorta high. 

Kinda depends on your convertor and trans, but that is close.

It isn't a stroker, but my stock block, stock stroke 360 is 427 at the crank, altitude corrected.