Jeroen Welgemoed
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Jeroen Welgemoed's Discussions

Pistons not completely centered

Started this discussion. Last reply by Clovis on Sunday. 13 Replies

Hi guys.I noticed some of my pistons are not completely centered with the connecting rod. I want to try and press the pins a bit further but i dont want to damage the pistons. Has any of you guys…Continue

Taking some time off

Started this discussion. Last reply by Jeroen Welgemoed Sep 5. 17 Replies

Well.. My friends told me the cadillac had become a obsession. They said i needed some time off. So for the first time in my life i listened. But time off what does that mean? I felt a bit afraid to…Continue

Speedometer cable

Started this discussion. Last reply by Jason Edge Aug 12. 11 Replies

HiI noticed my speedometer needle was very wobly a while ago. I could go from 30 to 60 and back in a split second. Makes a ferrari look slow:). My guess was a old cable that was causing it. I'm not…Continue

Turning a 390 into a 429

Started this discussion. Last reply by Jeroen Welgemoed Jun 21. 8 Replies

Hi everyone!My name is Jeroen and i have a 1964 cadillac sedan deville 6 window. That i am currently rebuilding. I already got a lot of information of you guys just by reading some discussions.…Continue

 

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Latest Activity

Anders liked Jeroen Welgemoed's discussion Pistons not completely centered
Sunday
Clovis replied to Jeroen Welgemoed's discussion Pistons not completely centered
"Sometimes the building of these rigged tools is more fun than the work you need to do with them. I love it when a problem is solved with off the shelf garage stuff. Great work and keep the pictures coming. "
Sunday
Jeroen Welgemoed replied to Jeroen Welgemoed's discussion Pistons not completely centered
"Hi.  I was so caught up in the process that i forgot to take pictures. I was in my garage today so i made some for you. I used a 24 mm socket and grinded up the sides a little bit. I also got a piece of steel thats fits the inside of the piston…"
Sunday
Anders replied to Jeroen Welgemoed's discussion Pistons not completely centered
"This is very interesting. And even though you make a good description a picture is much more valuable. If the original post would have had a picture it would have been easier to give an advise. And now with your homemade solution its even more…"
Saturday
Jeroen Welgemoed replied to Jeroen Welgemoed's discussion Pistons not completely centered
"I made the correct gear myself it wasnt pretty but it worked excellent. I enjoy doing things like that. Also i went to two machine shops and they didnt have te right tools either.... And they told me: we just get them centered the first time... Yeah…"
Friday
Kevin Campbell replied to Jeroen Welgemoed's discussion Pistons not completely centered
"You could whip down to local machine shop and have it done with the correct gear. My 2 cents worth."
Friday
Jeroen Welgemoed replied to Jeroen Welgemoed's discussion Pistons not completely centered
"Hi.  I made a support out of a socket. Needed to grind two sides a little bit to get it to fit i made a stop into the socket because once the pin moves under pressure it wil go to far trough without the stop. I gave the rod some heat not much…"
Friday
Clovis replied to Jeroen Welgemoed's discussion Pistons not completely centered
"Take a look at these pistons for the 429 engine. You do not cradle them. All the force is loaded onto the square pad and no where else. Do not cradle them it will distort the piston.  https://goo.gl/images/12NdN9"
Oct 7
Jeroen Welgemoed replied to Jeroen Welgemoed's discussion Pistons not completely centered
"I already have a cradle made it out of a synthetic soft block. This cracked the old pistons. Maybe i can modify it so it wont crack the new ones. Yes cadillac was a head of its time with use of materials. Never seen it in any other old engine. I got…"
Oct 7
Anders replied to Jeroen Welgemoed's discussion Pistons not completely centered
"As I read it it was not to remove the pin, it was to push it a few mm with a 20T Press. I would still make a cradle so the piston would be secure when applying pressure. The pressure should be directed towards the pin and of course not skirts. On…"
Oct 7
Jeroen Welgemoed replied to Jeroen Welgemoed's discussion Pistons not completely centered
"Hi Clovis. Im rebuilding my engine so the pistons and pins are new. I was planning to do something simular of wat you are suggesting. I made a mistake in measurements when connecting the pistons to the rods and 1 rod did not get hot enough so the…"
Oct 7
Clovis replied to Jeroen Welgemoed's discussion Pistons not completely centered
"I wouldn't cradle the piston. Someone with more experience can chime in, but the piston skirt is not designed for side loading at all. I would drill a hole in a 2X4 piece that is slightly larger than the piston pin and use a deep socket…"
Oct 7
Jeroen Welgemoed replied to Jeroen Welgemoed's discussion Pistons not completely centered
"Hi Anders.  Yes they move freely. I loved to have them completely centered. But if it cant do any harm i will just let them be. Some of them are 2 to 3 mills out of center is that to much? When i removed the old pistons i did make a cradle like…"
Oct 7
Anders replied to Jeroen Welgemoed's discussion Pistons not completely centered
"Is piston moving freely on the pin/rod? If it is then exactly centered wouldn't matter much. Is not going to cause any vibration or damage on these type of engines, maybe on a 20k+ race engine... If I would press the pin in a piston I would…"
Oct 7
Jeroen Welgemoed posted a discussion

Pistons not completely centered

Hi guys.I noticed some of my pistons are not completely centered with the connecting rod. I want to try and press the pins a bit further but i dont want to damage the pistons. Has any of you guys have experience pressing these pins? The manual shows pictures of a arbor press and some special tools needed to press the pin in or out. I do have a 20 tons press at work. Trying to figure out how to support the piston so that it wont break or gets damaged. Or should i just spend some money and let a…See More
Oct 7
Jeroen Welgemoed replied to Jeroen Welgemoed's discussion Taking some time off
"Well i went to the Samaria mountains/gorge here on Crete in Greece. As the tourists that we are we wete poorly prepared for the walk. A but hungover and with little sleep we just went down the gorge. While we were getting sober just because we were…"
Sep 5

Profile Information

Do you own any 1963 & 1964 Cadillacs? If Yes, Year & Body Style
1964, sedan deville 6 window.
Cadillac LaSalle Club Member? If Yes, Membership #?
No
1963/64 Cadillac Chapter Member?
Since 19-06-2018

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At 8:17am on July 1, 2018, Jason Edge said…

Welcome to the 63/64 Cadillac Website.

This site is hosted by the CLC (Cadillac LaSalle Club) 1963/64 Cadillac Chapter. Joining the website is free to everyone, however, you must be a CLC member to join the Chapter. 

- Click on www.join.6364cadillac.com for more information on joining the 1963/64 Cadillac Chapter and the Cadillac LaSalle Club

Be sure and check out all the links and pages and make yourself at home. The Help Page at www.help.6364cadillac.com will have links to many useful articles and information about our Cadillacs.

 
 
 

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I'M BACK !!!!!!!!!!

Started by Tony and Ginny 429 in 1963/64 Cadillac Specific Discussion. Last reply by Kevin Campbell 4 hours ago. 12 Replies

ENJOY

Corner Light Issues

Started by Mark Borer in Restoration Discussion. Last reply by Tony and Ginny 429 8 hours ago. 11 Replies

Hi Allam putting the 63 Convertible back togetheram currently putting the front goodies oni have operating turn signals but no cornering lightsi jumped power directly from the battery....they both…Continue

Tony has entered the building.

Started by Kevin Campbell in General Discussion. Last reply by Tony and Ginny 429 10 hours ago. 2 Replies

Geez, you forget to pay ya power bill.Continue

To sight members

Started by Tony and Ginny 429 in 1963/64 Cadillac Specific Discussion 15 hours ago. 0 Replies

I do need to —-openly appogize —-to Jason Edge for being the problem —-I can sometimes be we worked out our issues and all I can say is we are extremely fortunate to have him as Web Master of this…Continue

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Can anyone give me a brief and easy way to replace the rear differential pinion seal mine is leaking and spraying gear lube everywhere. Thank you Michael 

Radio for sale:

Posted by Ray Schick on October 7, 2018 at 11:28am 0 Comments

Retro Sound Radio,

am-fm  with 30 pre sets,built in amp 18watts 40watts peak x 4 channels.

bass,treble,fader, balance

push button styling, Aux input for IPods.power antenna & amp turn on leads

works excellent $140.00 plus the shipping.…

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Posted by Ray Schick on October 2, 2018 at 2:40pm 5 Comments

I was walking d own the hardware isle and “Boom” had a idea for these…

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HVAC Vacuum Valve Clip-need the one for the Power Control side

Posted by Norman Silverman on September 17, 2018 at 8:15pm 58 Comments

Hi.

Update:

I removed both 7 nipple vacuum valves and called my buddy who owns a machine shop. Tomorrow we'll re-surface the valve faces and then I'll reinstall them. HOWEVER, the one that comes out easily and comes apart with no rivet is on the Power module side. It installs on one side with a small bolt, and on the other it is held on by a clip, WHICH IS MISSING ON MY CAR. I am going to assume it is the same clip that is used on the Control Module side. Anybody got one? Happy…

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