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Post Info TOPIC: semipost- my 73 chevelle ss 4 speed


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semipost- my 73 chevelle ss 4 speed
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Thanks I’m at 11:1 average static. The cam is .500 lift with 246 duration at .050 lift

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Kevin

1964 Buick Special Deluxe SOLD

 1973 Chevelle SS L48 350

M20 4 -speed

all numbers-matching



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Awesome Kevin great progress keep it up!! Looking forward to hearing it running.

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68 Biscayne L/S 6.0 A4 MS MB

1966 Biscayne Day 2 Project

1968 Fury 1 Two Door Sedan

I don't suffer from Insanity, I Enjoy Every Second Of It



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740E746A-4FEF-48D5-8E85-EA97028CDA39.jpeg

Cam degreed in for “straight up”.  Next I will check piston to valve clearances 



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Kevin

1964 Buick Special Deluxe SOLD

 1973 Chevelle SS L48 350

M20 4 -speed

all numbers-matching



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427ED9CE-0FA8-45D9-B281-167F5C0C5BB6.jpeg

2A998299-013D-4BD6-8455-868FBA4A9DD8.jpeg

Piston to valve clearances are good.  Nothing less than .246 which was on the exhaust.  I wasn’t really too worried with this street engine but check it nonetheless.  My old BBC 12.5:1 race engine with solid roller was much closer on the order of .080 at the worst.  Now for final engine assembly

 

 



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Kevin

1964 Buick Special Deluxe SOLD

 1973 Chevelle SS L48 350

M20 4 -speed

all numbers-matching



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All the valves are set, oil system fully primed, and I verified that all 16 lifters rotated in their bores (cam is a hydraulic flat tappet)

 

F6A6B1AA-313F-4B45-808A-C41E4AAFDF56.jpeg



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Kevin

1964 Buick Special Deluxe SOLD

 1973 Chevelle SS L48 350

M20 4 -speed

all numbers-matching



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Soon Spring will be here and you will be enjoying all your efforts.....well done

Thanks for sharing.

Dan

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Thanks Dan! I intend on posting a running video when it’s done :)

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Kevin

1964 Buick Special Deluxe SOLD

 1973 Chevelle SS L48 350

M20 4 -speed

all numbers-matching



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Perfect

Dan

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1969 Chevelle 300 Deluxe Post Sedan Frost Green

1970 Buick Skylark Post Sedan Gulfstream Blue

Owner of the 1969 SS396 300 Deluxe Post Sedan Registry

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Clanceman427 wrote:

Thanks Dan! I intend on posting a running video when it’s done :)


 Kevin, you spelled "burnout video" wrong. That engine is looking good, and with that duration its gonna sound MAD!!!



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Thanks 68bel and you are correct! Burnout video for sure!

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Kevin

1964 Buick Special Deluxe SOLD

 1973 Chevelle SS L48 350

M20 4 -speed

all numbers-matching



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Nice progress, but don't dawdle! Spring will be here before you know it! And with your flat tappet cam, be sure to use motor oil that has zinc in it, or use an additive. I had good results with one of the Joe Gibbs "Driven Racing Oils" I used the HR-1, but there are other varieties to choose from.

www.drivenracingoil.com/">www.drivenracingoil.com/

Summit, Jegs and Amazon carry them among others.

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Thanks Pat excellent points! Time flies and soon spring will be here. My oil will always have ZDDP you got that right! Old schools

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Kevin

1964 Buick Special Deluxe SOLD

 1973 Chevelle SS L48 350

M20 4 -speed

all numbers-matching



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Awesome Kevin looks great you’ll be ready to RIP this spring!

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68 Biscayne L/S 6.0 A4 MS MB

1966 Biscayne Day 2 Project

1968 Fury 1 Two Door Sedan

I don't suffer from Insanity, I Enjoy Every Second Of It



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Pat Dilling wrote:

Nice progress, but don't dawdle! Spring will be here before you know it! And with your flat tappet cam, be sure to use motor oil that has zinc in it, or use an additive. I had good results with one of the Joe Gibbs "Driven Racing Oils" I used the HR-1, but there are other varieties to choose from.

www.drivenracingoil.com/">www.drivenracingoil.com/

Summit, Jegs and Amazon carry them among others.


 Hi Pat- question, did you just only use the driven oil for the initial cam break in? Did you use the driven oil by itself or with an additive?  Heard on a YouTube video that even if you use an additive with modern conventional oil you can still potentially wipe  a cam due to the detergents in today’s oil.  Anyone know if the cheap conventional oils have detergents or not?



-- Edited by Clanceman427 on Sunday 22nd of December 2019 08:46:44 PM

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Kevin

1964 Buick Special Deluxe SOLD

 1973 Chevelle SS L48 350

M20 4 -speed

all numbers-matching



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I used it as my regular oil. I did not have a fresh engine. The Driven oil HR-1 HR-2, is designed to be used with old school engines. I don't think you need any additional additives.

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Awesome thanks Pat.

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Kevin

1964 Buick Special Deluxe SOLD

 1973 Chevelle SS L48 350

M20 4 -speed

all numbers-matching



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750F520A-2335-4804-9F49-F1BCCBAD8CE0.jpeg

Pat Dilling wrote:

Nice progress, but don't dawdle! Spring will be here before you know it! And with your flat tappet cam, be sure to use motor oil that has zinc in it, or use an additive. I had good results with one of the Joe Gibbs "Driven Racing Oils" I used the HR-1, but there are other varieties to choose from.

www.drivenracingoil.com/">www.drivenracingoil.com/

Summit, Jegs and Amazon carry them among others.


 Following Pat’s great advice, I bought a cass of the good stuff, Joe Gibbs Racing Driven brand break in oil👍



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Kevin

1964 Buick Special Deluxe SOLD

 1973 Chevelle SS L48 350

M20 4 -speed

all numbers-matching



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Posts: 1430
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A71E097D-65A9-4D07-885B-26E3F9925E9D.jpeg

DF75508B-04AF-40E8-930D-17818167C00E.jpeg

96255734-AC51-48C8-9D00-09548B65D87D.jpeg

Motor Monday.  Making progress on the hot rod engine for my 73 SS.  I actually lit this engine off yesterday, and ran it for about 5 minutes but had to shut it down due to a water leak.  Today I found the problem, cracked water neck.  It's the original water neck.  I totally forgot to pressure test the cooling system before firing it, but it's so great to test fire on the stand out in the open, so easy to work on and assess problems.  The great news is that it fired off instantly and came to 3000 rpm.  Held 60psi of oil pressure.  I backed it off just a little but it's a flat tappet cam so I'm breaking it in.

 



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Kevin

1964 Buick Special Deluxe SOLD

 1973 Chevelle SS L48 350

M20 4 -speed

all numbers-matching



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Great progress! I love your engine "test stand." I did not know that Driven made a Break In oil. Great solution for you. That water neck is an easy fix. Now you can get a chrome one

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Awesome Kevin great progress I’m Glad to see you have it up and running. I’m really looking forward to seeing and hearing a video of it.
Should be a fun 2020 season for you. Enjoy all the fruits of your labor !😁

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68 Biscayne L/S 6.0 A4 MS MB

1966 Biscayne Day 2 Project

1968 Fury 1 Two Door Sedan

I don't suffer from Insanity, I Enjoy Every Second Of It

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