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Indy Maxx block, main caps question? #284010
04/10/09 07:55 PM
04/10/09 07:55 PM
Joined: Jun 2005
Posts: 1,283
Colorado,U.S.A
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4404dart Offline OP
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I am putting together a 540 ci Indy Maxx aluminum block. I have to heat up the block to get the main caps in, and was told that was ok. But, now that I am assembling the motor with the main bearings in the caps, when I "knock " the main caps in the bearings fall out. What's the secret?
I am having to wack the caps pretty good to get them in. Thanks again.

Re: Indy Maxx block, main caps question? [Re: 4404dart] #284011
04/10/09 08:04 PM
04/10/09 08:04 PM
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Posts: 3,619
Norwich CT USA
Defbob Offline
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Stick the bearing in just before it goes onto the crank.......... I think

Re: Indy Maxx block, main caps question? [Re: 4404dart] #284012
04/10/09 08:04 PM
04/10/09 08:04 PM
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Posts: 9,910
Eighty Four, PA
B G Racing Offline
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Eighty Four, PA
We use a long set of studs to draw the caps down evenly.Once we get the cap down far enough we install the correct studs.When we remove the caps we have a set of aluminum blocks that we put on the pan rails and use a cross bar drilled in the center And a 3/8 bolt,As we pull the cap up we add to the block height.We never heat the block or tap or pound on the caps.

Re: Indy Maxx block, main caps question? [Re: B G Racing] #284013
04/10/09 08:15 PM
04/10/09 08:15 PM
Joined: Sep 2003
Posts: 1,049
San Jose Ca.
boatracer572 Offline
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I have stuck the main caps in the freezer a couple of hours before assembly that works great!

5156516-_WI_0130.jpg (126 downloads)
Re: Indy Maxx block, main caps question? [Re: boatracer572] #284014
04/10/09 08:32 PM
04/10/09 08:32 PM
Joined: Dec 2006
Posts: 4,647
aotearoa
rebel Offline
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aotearoa
in the early days of my maxx block when everything was tight as we put the caps in the freezer over nite too. that & using some fuse wire to stop the bearing falling out whilst my buddy tapped the cap down with the dead blow hammer. now that my engine has been apart a few times i can press the caps down within 1/2" of seating. still use the fuse wire trick tho, as we can remove that wire when we are within an 1/8" of seating. nothing worse than having to remove the cap to refit the bearing, it was a time consuming job for sure.

Re: Indy Maxx block, main caps question? [Re: rebel] #284015
04/10/09 09:03 PM
04/10/09 09:03 PM
Joined: Nov 2005
Posts: 656
Kokomo, IN
540dust Offline
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Kokomo, IN
I tie the bearings in with dental floss, then carefully tap them in making sure there is oil on all the surefaces going in. I hold the bearing in as long as I can with my finger until I can get the nuts on the studs crank them down evenly til I need to remove the dental floss and then seat the caps and torque in order inside then the outside nuts. That's how I've always done mine......

Re: Indy Maxx block, main caps question? [Re: 4404dart] #284016
04/10/09 09:23 PM
04/10/09 09:23 PM

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2 pieces of all-thread with nuts and washers. draw the cap in place. remove all-thread and install your studs. torque to spec. no need to tie in the bearings. if they won't stay in the cap while while you draw the cap in to place, you have other problems to worry about. please, never use a hammer to put main caps on.

Re: Indy Maxx block, main caps question? #284017
04/10/09 09:32 PM
04/10/09 09:32 PM
Joined: Nov 2003
Posts: 10,384
Upstate NY
Bigcube Offline
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Upstate NY
I built a press for mine. Don't try to put the motor together when it's cold out if your garage is not heated.


Jim

Re: Indy Maxx block, main caps question? [Re: Bigcube] #284018
04/10/09 09:36 PM
04/10/09 09:36 PM

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Quote:

I built a press for mine. Don't try to put the motor together when it's cold out if your garage is not heated.




didn't we have a little discussion about that very same thing.
cold temps does funny things to engine parts.

Re: Indy Maxx block, main caps question? #284019
04/10/09 09:41 PM
04/10/09 09:41 PM
Joined: Nov 2003
Posts: 10,384
Upstate NY
Bigcube Offline
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Quote:

Quote:

I built a press for mine. Don't try to put the motor together when it's cold out if your garage is not heated.




didn't we have a little discussion about that very same thing.
cold temps does funny things to engine parts.



Hi Dan On more than one occasion I think

Re: Indy Maxx block, main caps question? [Re: Bigcube] #284020
04/10/09 09:52 PM
04/10/09 09:52 PM

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Quote:

Quote:

Quote:

I built a press for mine. Don't try to put the motor together when it's cold out if your garage is not heated.




didn't we have a little discussion about that very same thing.
cold temps does funny things to engine parts.



Hi Dan On more than one occasion I think




well yeah, maybe. but that's what friends are for
i hope you can get it to the track a few times this year. with all the extra work you put in on it you deserve it.

Re: Indy Maxx block, main caps question? #284021
04/11/09 12:38 AM
04/11/09 12:38 AM
Joined: Jun 2005
Posts: 1,283
Colorado,U.S.A
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4404dart Offline OP
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Thanks everyone! Just so we are clear, I was using a rubber mallet to convince these caps into place.
BG Racing, boatracer572, rebel, thanks for the input.
540dust, I was afraid to say I ended up using fishing line to hold the bearing while knocking the cap in.Thanks.
Dan and Jim, and all you smart guys, why don't you tell us rookies this stuff before we beat our heads against the wall? Thanks for the input, and the good ideas.

Re: Indy Maxx block, main caps question? [Re: Bigcube] #284022
04/11/09 12:41 AM
04/11/09 12:41 AM
Joined: Jun 2005
Posts: 1,283
Colorado,U.S.A
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4404dart Offline OP
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Don't try to put the motor together when it's cold out if your garage is not heated.






This is me, Colorado, 40 to 50 degrees in the garage this time of year.

Re: Indy Maxx block, main caps question? [Re: Defbob] #284023
04/11/09 12:45 AM
04/11/09 12:45 AM
Joined: Jun 2005
Posts: 1,283
Colorado,U.S.A
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4404dart Offline OP
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Quote:

Stick the bearing in just before it goes onto the crank.......... I think






I'm thinking that drawing the bearing down is the way to go? The all thread/press method.Thanks.

Re: Indy Maxx block, main caps question? [Re: 4404dart] #284024
04/11/09 08:43 AM
04/11/09 08:43 AM
Joined: Nov 2004
Posts: 3,619
Norwich CT USA
Defbob Offline
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This was useful info for me. I'll be getting threaded rod to draw the caps into place on my motor

Re: Indy Maxx block, main caps question? [Re: Defbob] #284025
04/11/09 11:32 PM
04/11/09 11:32 PM
Joined: May 2005
Posts: 1,995
Apollo, PA.
B1MAXX Offline
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I just backed my studs out enough to get them started then seated the studs and went the rest of the way home

Re: Indy Maxx block, main caps question? [Re: B1MAXX] #284026
04/12/09 04:29 AM
04/12/09 04:29 AM
Joined: Apr 2004
Posts: 1,056
Mt.Vernon IL
Twin Turbo Mower Offline
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Quote:

I just backed my studs out enough to get them started then seated the studs and went the rest of the way home





I did the same thing. But I made my own tool to remove them as well.

Re: Indy Maxx block, main caps question? [Re: Twin Turbo Mower] #284027
04/12/09 08:48 AM
04/12/09 08:48 AM
Joined: Nov 2004
Posts: 3,619
Norwich CT USA
Defbob Offline
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I went out yesterday and bought a 3ft section of grade 8 threaded rod and cut two sections from it. also two nuts and small shoulder washers.

later I'll cut them to the needed length so I can use a deep extension (can't use a wrench on my caps)







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