830 horse on the dyno

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toolmanmike

toolmanmike

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Rode along with a friend today. His 580+ cube wedge pulled some good numbers. It was fun! Crank up the volume!
 
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Oh nice, it was just humming up to 7200 rpm.
I really need to put my solid roller stuff in my 470 it went to 7100 and I was afraid lol
 
MOPARMAGA said:
Oh nice, it was just humming up to 7200 rpm.
I really need to put my solid roller stuff in my 470 it went to 7100 and I was afraid lol
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They sound good but it's a bit scarry at that rpm with a long arm crank and rods. Quality parts are a must.
 
MOPARMAGA said:
Oh nice, it was just humming up to 7200 rpm.
I really need to put my solid roller stuff in my 470 it went to 7100 and I was afraid lol
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820 on the first pull at 6500.

1000011387.jpg
 
toolmanmike said:
They sound good but it's a bit scarry at that rpm with a long arm crank and rods. Quality parts are a must.
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Oh yeah I know, I put a power adder rod in my rotating assembly thinking down the road but I know I increased some side loading and have a stock 400 block pushing real close to 700 HP
It's scary but awesome to know something I built myself can do what it needed to
 
MOPARMAGA said:
Oh yeah I know, I put a power adder rod in my rotating assembly thinking down the road but I know I increased some side loading and have a stock 400 block pushing real close to 700 HP
It's scary but awesome to know something I built myself can do what it needed to
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No doubt.
 
What was the change that jumped the peak power rpm 400 higher?
 
MOPARMAGA said:
What was the change that jumped the peak power rpm 400 higher?
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No timing or carb changes between pulls. Interesting how the engine sounds different between warm up and after a pull. It really idles quite smooth.
 
This was his old motor. (A little smaller and stock block if I remember correctly) Wow hard to believe it was 10 years ago.

 
Intake ports look pretty wide.
Might be 572-13 heads(hard to tell by looking at a pic on my phone)
 
I'm the owner of car and motor. The old combination made 880hp . Dropped a valve had to get one new head . The new head needs a little more port work to get back to 880. It's Indy aluminum block 572 cu.in. 440-1 heads ported indy tunnel ram 2 c&s 1000cfm carbs comp 695 lift cam jesel valve train A&A 727 trans with brake transmission specialties converter. I built the car myself in my 2 car garage . have own it since 1975. I've made a few changes over the years. Any question just ask no secrets
 
TomMoparMan said:
I'm the owner of car and motor. The old combination made 880hp . Dropped a valve had to get one new head . The new head needs a little more port work to get back to 880. It's Indy aluminum block 572 cu.in. 440-1 heads ported indy tunnel ram 2 c&s 1000cfm carbs comp 695 lift cam jesel valve train A&A 727 trans with brake transmission specialties converter. I built the car myself in my 2 car garage . have own it since 1975. I've made a few changes over the years. Any question just ask no secrets
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Thanks Tom. Glad you stopped by to answer questions. This was a fun trip for me and I see many here are interested as well. No secrets. Love it. :thumbsup: @PRH @MOPARMAGA @Johnny Mac
 
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