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My hill climb Eclipse build
Last Post 05-08-2012 07:07 AM by mekilljoydammit. 12 Replies.
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Grant BormanUser is Offline
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Grant

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01-23-2012 08:25 PM  

I have some pictures of the build up on some different sites but i figured i'd start fresh since its in a new home and alot has changed since i started.

Don't mind all of the clutter, i just moved out here and dont have power to build any new tables.


Shell with cage for a OEM drivetrain. Since i will now be running a longitudinal RWD engine and drive train the rear of the cage will be modified to also mount the new rear end or transaxle. The front frame rails will also be removed and the front half of the frame/cage completed.




This car was designed around 15in racing tires so instead of re inventing the wheel/upright i went with retired 2011 Indy Car uprights/hubs/brakes/wheels. I was originally going to fabricate my own a larger wheel bearing but i can't beat the price of these and the R&D that went into them. Helps when you can get all 4 corners for the price of one new caliper.




Already assembled these and fit inside some rear OZ Racing 15x14 wheels. I think these are mag, either way they are really light!




This is the drysump for the engine in building along with the head for it. Its a TWR designed head for the Infiniti Indy car engine program. With a 112mm bore spacing and 420cfm should make for a pretty interesting 4 banger. Im also told these were run at 11k on a spintron "all day long" without issue.




The new cnc waiting on power. Hopefully i don't run into to many road blocks with getting it running.






Goal is to make lots of power and do well at Pikes Peak. I'd like to take it to race it all over at tracks like Laguna Seca, Nurburg Ring, and Isle of Mann. With Pikes Peak being completely paved now AWD was a hindrance and costly to do correctly. This is a budget build and i just could not justify keeping it AWD at this point. That might change in the future though. Im going set the motor far enough back to leave room for a front differential and axles.

Hopefully i will have some free time in the next few weeks to post some updates.

vehicularUser is Offline
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vehicular

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01-24-2012 12:45 PM  
Wow, I thought you were running a 4G63. When did you decide to go with an Indycar based 4 cylinder? And what are you going to do for a block?
speedball3User is Offline
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01-24-2012 04:17 PM  
Whoa, this is gonna be nuts. Indy car uprights?!? Indy car engine?!? Can this be a MotoIQ project car??
HorsewidowerUser is Offline
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01-24-2012 09:36 PM  

 NICE, this should be instructive. 

 

Grant BormanUser is Offline
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Grant

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01-25-2012 12:49 AM  
The reason for the new thread was because a lot has changed since I first started building this car. This past year I realized weight is a big deal and wanted to go with an aluminum motor. I have also wanted to design and build my own motor so when I got frustrated finding the right motor I decided this car would have a custom motor. I have an idea of what I want but I need to just sit down and start planning. Luckily this head's bore spacing is only a quarter millimeter off of what the Sbc is so hopefully that will simplify some things like liners and crank. Everything else will be finding something proven and getting it to work. The block will be machines from billet most likely. I I had more than 2 of these heads I might consider casting.
RallyBobUser is Offline
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01-25-2012 07:19 AM  
Is that a Dailey dry sump pump?
RallyBobUser is Offline
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01-25-2012 07:19 AM  

 

WreckedUser is Offline
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01-25-2012 08:38 AM  
WOW! Please share details of the motor design/construction as you go along. I admire you for having the knowledge, skill and balls to take on a project like this.

Since you are doing so much custom work, are you using the Eclipse body just for sentimental reasons?
Grant BormanUser is Offline
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Grant

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01-26-2012 02:04 PM  
Balls maybe, the rest....wait until its successful.

Im keeping the 1g body because its straight and rust free, has the PPIHC legal cage that fits really tight, and yes im a huge fan of pop up head light dsm's. It pains me to cut it up even more but oh well. I really like the profile and it seems like just the right size for me and i have put alot of miles behind 1g's so im just really comfortable in them. Not like that really matters but oh well. I thought about putting all of this time and effort into another shell but i like what i have. My first car was a 1ga and in the past 10 years i have always had at least one.
Grant BormanUser is Offline
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Grant

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04-30-2012 10:18 PM  
Rally Bob it is a Daily Pump, good eye!

I have been pretty busy with starting my business and getting my CNC up and running. Spent a good amount of time doing research on the engine and i have made some headway. Have selected some sleeves and decided to cut the crank myself from 4140 most likely then i will get it ground at a reputable crank grinder. Still have alot of details left to sort out like bearing sizes and block construction techniques(have some people i will be contacting soon to ask some questions.)



Put about an hour in with the car. Took off all of the panels on the front and started to cut the front end off. Got the drivers side cut through and will finish the other side tomorrow. Then i will probably cut out the floor and firewall. Next big purchase will probably be a front and rear tire so i can draw it up in the computer to model things. Things should speed up though once the cnc is running.
mekilljoydammitUser is Online
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Kenku

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05-01-2012 06:33 AM  
Hah, missed this at first. I like the idea, and rather envy the CNC machining centers... trying to work up to castings myself, but that's a slow process. Where'd you get the uprights?
Grant BormanUser is Offline
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Grant

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05-07-2012 11:48 PM  
Got the uprights from 2 Indycar teams. You can actually still buy them new from Dallara still.....Might try to in a few years when they are worth even less lol.

I was really busy with other projects so i haven't had much time to spend on my car. I decided to cut the front off and will probably cut out the floor and firewall soon so i can start working on the central part of the chassis.

I need to order some tires since the closest Hoosier tire place is about 3 hours away. Going to go with the 09110, and 08410 from hoosier. Once i get in one of each i can model them on the computer and this will help get my computer model going since the tires are not exactly easy to dimension.

Should probably start work on designing the modifications to the"front" uprights since the current pickup points won't work at all lol.





mekilljoydammitUser is Online
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Kenku

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05-08-2012 07:07 AM  
Hmmm... I'll have to keep an eye out on the normal classified places. After another weekend being confronted with the weaknesses of racing stock unibody cars, and realizing that rally stuff isn't really much of an option with tow distances, I'm starting design of a roadrace car... and it would be ever so nice not to have to use bloody Miata uprights.
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