Author Topic: BILLET SPEEWORKS MAIN CAPS  (Read 7763 times)

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428 GALAXIE

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Re: BILLET SPEEWORKS MAIN CAPS
« Reply #30 on: September 24, 2025, 10:58:38 PM »
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« Last Edit: September 25, 2025, 02:47:29 PM by 428 GALAXIE »
Mikko

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Re: BILLET SPEEWORKS MAIN CAPS
« Reply #31 on: October 22, 2025, 12:56:55 PM »
So the caps are being machined at Straightline Machine LLC right now. Just did a test fit of the first cap off the machine on a stock 330 MD block I got here . How much material would you guys like left in the bearing journal area? .005/.010/.015/.020? I can change the cutter comp and adjust it somewhat. I’m also wondering if I can add the reliefs for the bearing tangs for Cleveland and FE to the cap, I think they are located differently. First batch only had the tang relief for FE.


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Cody Ladowski
1976 F-100 stepside
390 C6 9 inch
1.56 sixty ft.
7.38 @ 91.5
11.79 @ 111.5

c9zx

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Re: BILLET SPEEWORKS MAIN CAPS
« Reply #32 on: October 22, 2025, 02:04:34 PM »
Cody, I called and left a message. I still want a set. Chuck (S)
1969 Eliminator G code
CSX-7031 FIA Cobra
2007 Mustang GT, Whipple
1966 Cyclone GT

jayb

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Re: BILLET SPEEWORKS MAIN CAPS
« Reply #33 on: October 22, 2025, 07:44:25 PM »
.010" undersize for the main bearing bore is about right for most shops with line boring equipment...
Jay Brown
- 1969 Mach 1, Drag Week 2005 Winner NA/BB, 511" FE (10.60s @ 129); Drag Week 2007 Runner-Up PA/BB, 490" Supercharged FE (9.35 @ 151)
- 1964 Ford Galaxie, Drag Week 2009 Winner Modified NA (9.50s @ 143), 585" SOHC
- 1969 Shelby Clone, Drag Week 2015 Winner Modified NA (Average 8.98 @ 149), 585" SOHC

   

bluef100fe

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Re: BILLET SPEEWORKS MAIN CAPS
« Reply #34 on: Today at 07:25:02 AM »
So I’m thinking I’m going to error on the fat side… the registers on these blocks seem to be close to the same size in width.. not so much for location. Swapping one cap between a couple different blocks and block registers seems to show variance on location. I can’t see leaving more than .020 or so but these blocks seem to be all over the place so that’s probably as close as I want to cut the caps without having the block on my shop floor to custom fit each one. Step by step they are coming along nicely! I wish I could still post pictures here. We will see if this link to Facebook works https://www.facebook.com/share/p/1CxxYaRrQt/?
« Last Edit: Today at 07:26:57 AM by bluef100fe »


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Cody Ladowski
1976 F-100 stepside
390 C6 9 inch
1.56 sixty ft.
7.38 @ 91.5
11.79 @ 111.5

thatdarncat

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Re: BILLET SPEEWORKS MAIN CAPS
« Reply #35 on: Today at 09:59:01 AM »
Cody, I can see the post on Facebook, but I’m not seeing the pictures of the caps on any of the various pages. The pictures might be there, because I see somehow one of the commenters had a picture they referenced. Maybe a person might have to be friends with you?

Do you want to try sending me the pictures on Facebook messenger, and I can post them for you here?

Thanks for tackling the project, there’s definitely a need.
Kevin Rolph

1967 Cougar Drag Car ( under constuction )
1966 7 litre Galaxie
1966 Country Squire 390
1966 Cyclone GT 390
1968 Torino GT 390
1972 Gran Torino wagon
1978 Lincoln Mk V