Question for Don Shilladry

Hi Don...don't know if you saw my post or not but I was refrred to you by Lonewolf Cruiser (Strreets) He said you owned a Brookville Roadster and might be able to help me.

I recently bought a 1930 Brookville 1930 Model A roadster and I'm getting ready to install gas struts to hold up the trunk lid.

The problem is I can't figure out the bolt size of the pre drilled/tapped holes in the trunk lid. There are 2 mounting locations to choose from. It appears to be a coarse thread. 10-32 & 10-24's are too small and 1/4-20 is too big. If you still own the car, could you do me a huge favor and measure the bolt thread size? I've emailed Brookville 3 times and no one has responded.

Thanks in advance.

Gee I have though of asking you questions due to your avatar, but alas I only have a Brookville FRAME! I am getting ready for a BeBop fiberglass body to save a few bucks, so I can't tell you about the bolts for the steel body. There is a '29 Sport coupe on display here in Ashland (with the label "Spirit of Ashland") at a Chevron station and I have been swung over to consider saddle tanks so I can get a rumble seat. The stock rumble seat is really small, and made more so with the cardboard panels along the side. Sorry I can't help, what did you decide about the gas tank using a trunk lid, verticle or flat?

Don Shillady
Retired Scientist/teen rodder

Could it be a 12-24 thread? Try a Holley float bowl screw in it.....that is a 12-24 thread......used to be common in the old days.

I'm not sure why it would be so at your end of the world, but have you considered a metric thread? Up here in Canada, where our leaders decided in a fit of insanity to go metric in 1976, we have to contend with that a lot. A 6mm bolt is 0.236"dia., the thread has a 1mm pitch, while the 5mm metric bolt is 0.197" dia., with a thread pitch of 0.8mm.

Brian...I didn't mean to be offensive when I mentioned metric. As a matter of fact, I'm very familiar with metric. I worked outside of Toronto (Scarborough) for 2 years. Used to commute every weekend from Rochester, New York to Toronto

I borrowed a set of dial calipers and like Robot (Thanks Robot!) said, it is a .177 ID which calibrates to a 12-24. Don't know where I'm going to find one of those! I would like to redrill and tap for a 1/4-20 but the holes in the trunk lid are inserts and there isn't enough stock to redrill.

Thanks again.

Your Yankanadian Buddy!

Pat-no offence taken---non of us Canadians care for the metric system.

Most hardware stores have the little drawer boxes of screws that include 12-24 stuff. If not, McMaster Carr has tons of styles at
www.mcmaster.com

12-24 is more common than you think.

mike

Thanks to all who have responded. I just got back from a local hardware store here in Rochester (Herbs) and they had what I was looking for..