Notices
928 Forum
Sponsored by:
Sponsored by: 928 Specialists

My Megasquirt 3X conversion

 
Old 10-14-2011, 02:29 PM
  #31  
BigAl1
Addict
Rennlist Member
Thread Starter
 
BigAl1's Avatar
 
Join Date: Jul 2010
Location: SW Ontario, Canada
Posts: 686
Likes: 0
Received 1 Like on 1 Post
Default

After much trolling through Google images, I have found a few options for electronic injectors that have an extended tip length to help "unshroud" the tip when installed in my CIS runners. VW Jetta 2000-2001 1.8L engines use a #30 version which is probably the best choice, but have yet to test fit one. This pic is an injector tip from a 2007-2008 Toyota Camry 3.5L v6, 420cc(?), 12 hole spray tip. With the injector seated in my modified holders (not much more to gain for depth when accounting for the injector ring seal on this injector body style), the tip is just past the "unshroud" part of the injector bore hole. The walls still below the tip might be hit by the spray - just not sure yet without testing. Hoping to find the VW parts for trial fit and testing if I can rig it up.
Another option is from 2005-2008 Toyota Tacoma 2.7L I4 - it appears to have the same external size as the Camry injector, but haven't found the flow rating yet.
Attached Images  
BigAl1 is offline  
Old 10-15-2011, 08:20 PM
  #32  
BigAl1
Addict
Rennlist Member
Thread Starter
 
BigAl1's Avatar
 
Join Date: Jul 2010
Location: SW Ontario, Canada
Posts: 686
Likes: 0
Received 1 Like on 1 Post
Default

Got the cam front housing drilled for the cam position sensor, then did the final assy of the seals on the nose of the RH cam. Pics are showing the cam sensor mounted, and the single tooth trigger wheel I designed. The odd shape opposite the single tooth end is the counterweight for rotation balance. The trigger wheel is installed outside of the cam gear, so easily adaptable, and the gear can be replaced easily with a stock part. The only mod I will do to the gear is drill a tiny, shallow hole to pin the trigger wheel to the gear once the wheel is timed correctly. I wonder if this "blade" spinning up to 3400RPM will make any noise!??
Attached Images     
BigAl1 is offline  
Old 10-27-2011, 09:44 PM
  #33  
BigAl1
Addict
Rennlist Member
Thread Starter
 
BigAl1's Avatar
 
Join Date: Jul 2010
Location: SW Ontario, Canada
Posts: 686
Likes: 0
Received 1 Like on 1 Post
Default

My TPS setup has been a small challenge with squeezing into the space available, and still orienting it for wiring access. I had to cut off the original hose nipples on the side the of the throttle body where the vacume pot for idle air used to be to make room for the new TPS. After that, it worked out quickly. The adapter plate has a short stub that fits into the upper hole, mainly to give more glue surface in a different plane than the end face of these bosses would allow. The plate will be epoxied onto the throttle body, with careful alignment to the butterfly shaft axis. After that, I still need to modify the shaft end to have a blade like a straight screwdriver that will engage the internal tangs on the TPS.
The LSx coils have a new home! After 3 trials of varying designs, this bracket works well. The fuel rail will clear past the coils nicely, and they have enough clearance underneath to not vibrate and hit the casting below. The stock GM ignition leads have the perfect length, and the wiring path to the coils and injectors will neatly tie to the new bracket. It also has 2 holes to mount the fuel rail hold-down brackets waiting to be designed after the rails are machined. Just a couple more brackets to design for fuel pressure regulator and rail mounts, then onto the wiring. This will be combined with tearing out the interior and dash so I can integrate the new harness with the old and remove any extra wiring from the old ignition and fuel control stuff. Once into that then I'll start updating my other thread again.
Attached Images     
BigAl1 is offline  
Old 10-27-2011, 11:04 PM
  #34  
Fabio421
Man of many SIGs
Rennlist Member
 
Fabio421's Avatar
 
Join Date: May 2005
Location: Florida, USA
Posts: 8,709
Likes: 0
Received 0 Likes on 0 Posts
Default

Nice work on that bracket. Very nice work.
Fabio421 is offline  
Old 10-28-2011, 12:18 AM
  #35  
blown 87
Rest in Peace
Rennlist Member
 
blown 87's Avatar
 
Join Date: May 2006
Location: Bird lover in Sharpsburg
Posts: 9,903
Likes: 0
Received 0 Likes on 0 Posts
Default

Originally Posted by Fabio421 View Post
Nice work on that bracket. Very nice work.
Really is nice work, even cad plated it looks like.
I am impressed.
blown 87 is offline  
Old 10-28-2011, 09:25 AM
  #36  
Tampa 928s
Super User
 
Tampa 928s's Avatar
 
Join Date: Dec 2006
Location: Tampa Florida
Posts: 3,997
Likes: 0
Received 0 Likes on 0 Posts
Default

All I can say is WOW, can't wait for you to have it up and running!
Tampa 928s is offline  
Old 10-28-2011, 06:16 PM
  #37  
Don Ashe
Addict
Rennlist Member
 
Don Ashe's Avatar
 
Join Date: May 2007
Location: Rockwall, TX
Posts: 100
Likes: 0
Received 0 Likes on 0 Posts
Default

That is a beautiful coil bracket!
It almost makes me want to go COP just for the cosmetics!

-don
Originally Posted by BigAl1 View Post
The LSx coils have a new home! After 3 trials of varying designs, this bracket works well. The fuel rail will clear past the coils nicely, and they have enough clearance underneath to not vibrate and hit the casting below. The stock GM ignition leads have the perfect length, and the wiring path to the coils and injectors will neatly tie to the new bracket. It also has 2 holes to mount the fuel rail hold-down brackets waiting to be designed after the rails are machined.
Don Ashe is offline  
Old 10-28-2011, 08:15 PM
  #38  
BigAl1
Addict
Rennlist Member
Thread Starter
 
BigAl1's Avatar
 
Join Date: Jul 2010
Location: SW Ontario, Canada
Posts: 686
Likes: 0
Received 1 Like on 1 Post
Default

Thanks for the kudos guys. All the interest has me wondering if there is an opportunity here for a little business?
BigAl1 is offline  
Old 10-28-2011, 09:47 PM
  #39  
Imo000
Captain Obvious
Super User
 
Imo000's Avatar
 
Join Date: Aug 2003
Location: Cambridge, Ontario, Canada
Posts: 21,228
Likes: 0
Received 5 Likes on 4 Posts
Default

Originally Posted by BigAl1 View Post
Thanks for the kudos guys. All the interest has me wondering if there is an opportunity here for a little business?
There is ALWAYS oportunity for a little business. If you can make one, make 10 at the same time and recoup some of the cost. That's what I did with the flywheel locking tool a few years ago. Made 10 and kept one. Very nice work by the way.
Imo000 is offline  
Old 10-29-2011, 05:31 AM
  #40  
Bart-Jan
User
 
Bart-Jan's Avatar
 
Join Date: Oct 2008
Location: The Nertherlands
Posts: 253
Likes: 0
Received 0 Likes on 0 Posts
Default

I'm interested in the brackets as well, if you can sell them at a good price together with a set of secondhand coils; they're very difficult to get in Europe... My MS setup with twin Ford coils work fine, but look ugly.
Bart-Jan is offline  
Old 10-29-2011, 11:30 AM
  #41  
BigAl1
Addict
Rennlist Member
Thread Starter
 
BigAl1's Avatar
 
Join Date: Jul 2010
Location: SW Ontario, Canada
Posts: 686
Likes: 0
Received 1 Like on 1 Post
Default

Thanks for the interest in the coil brackets! I can supply more, but first need to make copies of the design to work with the various LSx coils available. Ducman gave me a link which shows the variety of coils and I have the AC Delco D581. See http://msdignition.com/page.aspx?id=15358 . So, possibly 4 more designs to do, but probably created when needed by someone.
BigAl1 is offline  
Old 10-30-2011, 11:47 PM
  #42  
BigAl1
Addict
Rennlist Member
Thread Starter
 
BigAl1's Avatar
 
Join Date: Jul 2010
Location: SW Ontario, Canada
Posts: 686
Likes: 0
Received 1 Like on 1 Post
Default

Just some small progress on the throttle body today. I say "small" because the little blade tang that engages the TPS was what I made. Also drilled the end of the butterfly shaft to mate with the stub on the blade tang. The OD of the tang is .002" under the butterfly shaft, so when it is clocked properly and affixed, the shaft can still be removed as normal. Got the throttle body test assembled, but still need to lube all the wear points before I can final assemble and say done.
Attached Images    
BigAl1 is offline  
Old 10-31-2011, 12:03 AM
  #43  
Ducman82
 
Ducman82's Avatar
 
Join Date: Nov 2009
Location: Everett, WA
Posts: 6,951
Likes: 0
Received 0 Likes on 0 Posts
Default

how are you going to end up sealing the old vac port holes?
Ducman82 is offline  
Old 10-31-2011, 09:17 AM
  #44  
BigAl1
Addict
Rennlist Member
Thread Starter
 
BigAl1's Avatar
 
Join Date: Jul 2010
Location: SW Ontario, Canada
Posts: 686
Likes: 0
Received 1 Like on 1 Post
Default

Variety pack of mini condoms from the local hardware store was my plan.
BigAl1 is offline  
Old 10-31-2011, 03:35 PM
  #45  
karl ruiter
Addict
Rennlist Member
 
Join Date: Jan 2003
Location: Honolulu and sometimes L.A.
Posts: 2,669
Likes: 0
Received 0 Likes on 0 Posts
Default

I just built a nice 16V motor for my car, factory new lower ends, Euro S top end. But I am thinking of pulling it out and putting in something more recent because I am not happy with with the CIS. So, yes, if there were a kit I could buy and install for less than the cost and effort of buying, transporting, refreshing and installing a 32V motor, I would be interested.
karl ruiter is offline  

Thread Tools
Search this Thread
Quick Reply: My Megasquirt 3X conversion


Contact Us - About Us - Advertising - Cookie Policy - Privacy Statement - Terms of Service

© 2019 MH Sub I, LLC dba Internet Brands

We are a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for us to earn fees by linking to Amazon.com and affiliated sites.
 
  • Ask a Question
    Get answers from community experts
Question Title:
Description:
Your question will be posted in: