2019 HP Fest Boat Engine

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Six-Oh-Nine

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« on: July 30, 2019, 05:59:50 PM »
So, this year we were asked again if we could help out with another engine, for another boat, to go in this year’s Semper Fi raffle boat. With the great success and huge donation that was able to be made with last year’s boat, course we said yes. This year, since I actually have a little time, I’m going to do a few progress updates and pics of the engine as we go along. One, so people see what they are getting with this boat with their raffle tickets... and two, to help keep this project for a great cause, on people’s mind so hopefully, ya’ll can make it out to HP Fest in November, and buy a ticket... or ten.

This year we’re building a nice, solid 408 cubic inch Big Block Chevy... nothing overly exotic... just a solid 420hp single carb, pump gas, reliable runner.

Also... I, personally, would like to thank fellow SCJB member, Ryan Carnahan for the donor short block that was originally in his 19’ Charger. With all forged internals, it was a great candidate to build from.

First step... after cleaning, mag checking, and inspecting the block, crank, and rods... the block was put in our Sunnen line hone to have the main bores trued up, not only for size, and roundness, but to ensure that the main centerline was established. This is what pretty much all further machining operations are based off off, index surfacing the decks and boring the cylinders.
Here is the block after line hone, getting the second of many washes in the jet washer...

This is the first of many future updates...


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69kona

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« Reply #1 on: July 31, 2019, 05:19:33 AM »
I will be there for Horsepower fest  and buying tickets it’s for a good cause. It’s awesome that your donating your time James
Plus if I win I would own my first bbc lol  . I look forward to see progress on this build


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bobjthomson

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« Reply #2 on: August 02, 2019, 01:42:22 PM »
What’s the dates ???


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Brad @ SCJB

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« Reply #3 on: August 20, 2019, 07:16:17 PM »
What’s the dates ???

November 16th Check out www.HorsepowerFest.com for all the info
  • Boat #1: 1978 Liberty
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Johnny Utah

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« Reply #4 on: August 20, 2019, 07:42:38 PM »
Brad, are the Sept. 28th and Oct. 5th dates still good? Trying to make a plan to attend....


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Brad @ SCJB

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« Reply #5 on: August 20, 2019, 07:49:51 PM »
Brad, are the Sept. 28th and Oct. 5th dates still good? Trying to make a plan to attend....

Yes, those dates are still a go, but to clarify those aren't related to Horsepower Fest.
  • Boat #1: 1978 Liberty
  • Boat #2: 1982 Eliminator Sprint

Johnny Utah

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« Reply #6 on: August 21, 2019, 07:35:03 AM »



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Six-Oh-Nine

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« Reply #7 on: August 28, 2019, 06:01:01 PM »
A short update: block now completely machined and washed up. Line hone done, decks indexed and surfaced, and cylinders torque plate honed to final size. Crank checked out good, so we’ll give her a polish after balancing. Probably another week or so we’ll get the rotating assembly balanced (with pics) and start assembling the short block. Also... at some point here, we’ll start some progress on the cylinder heads. I’m still a little aways from porting them as I have 3 sets in front of them... but as soon as I start, we’ll get some pics of that up as well.


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FordLover

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« Reply #8 on: August 28, 2019, 08:00:07 PM »
That is awesome!
Thanks for the update

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Six-Oh-Nine

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« Reply #9 on: October 08, 2019, 05:03:12 PM »
Been a while... but here are the heads... they got a nice little port job, bronze guide liners, hardened valve seats, 3 angle valve job, and cc & surface. Want to thank Schneider cams for the cam hookup... she out to work good in this little pump gas mini big block.


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The Bostick ®

Some people play hard to get, I play hard to want.

78Southwind

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« Reply #10 on: October 10, 2019, 02:00:31 AM »
Nice, which heads are those?

 


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