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Author Topic: Guardian 7's Pre-91 TBI Spacer  (Read 1734 times)

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dudley

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Guardian 7's Pre-91 TBI Spacer
« on: June 10, 2008, 12:40:32 PM »
Last post was early '07.  What happened to the project?  Inquiring early 2.5's wanna know!  :biggrin:
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Matt vs YJ

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Re: Guardian 7's Pre-91 TBI Spacer
« Reply #1 on: June 10, 2008, 04:34:47 PM »
x2
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Offline Jeffy

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Re: Guardian 7's Pre-91 TBI Spacer
« Reply #2 on: June 10, 2008, 05:06:01 PM »
IIRC he sold the Jeep and bought one with MPFI.
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Offline oldjeep

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Re: Guardian 7's Pre-91 TBI Spacer
« Reply #3 on: June 11, 2008, 05:55:12 AM »
Anyone with a mill should be able to make you one.  If you were carefull you could make it with a drill press .  It's just 5 holes in a block of aluminum.
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Chuck P
The clowns'? Oh, yeah, the clowns. We fight them too — entire armies, spilling out of Volkswagons. We do our best to fight them off, but they keep sending 'em in!
94 YJ - gone
98 ZJ - sons truck
97 TJ - daughters project

www.oldjeep.com

dudley

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Re: Guardian 7's Pre-91 TBI Spacer
« Reply #4 on: June 11, 2008, 07:00:57 AM »
Quote from: oldjeep on June 11, 2008, 05:55:12 AM
Anyone with a mill should be able to make you one.  If you were carefull you could make it with a drill press .  It's just 5 holes in a block of aluminum.
That is something I don't have.  Do almost all my own wrench turning, but don't have machine shop stuff! :confused:
Wouldn't be interested in selling the one you worked on to a drill press poor guy, would ya?  :puzzled:
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Offline chardrc

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Re: Guardian 7's Pre-91 TBI Spacer
« Reply #5 on: June 11, 2008, 06:09:28 PM »
on a drill press... the center bore would be interesting... finding a bit big enough... or i may just not be creative enough right now.
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1990 YJ 4cly, ax5, 2.5 inch BDS lift, 31 MTr\'s,  Powertrax-lockers all around, track-bars removed, boomerang shackles, warn m8000 winch, electric fan. [sold but not forgotten]

2007 jk Rubicon 2dr

Offline oldjeep

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Re: Guardian 7's Pre-91 TBI Spacer
« Reply #6 on: June 11, 2008, 08:39:49 PM »
Quote from: chardrc on June 11, 2008, 06:09:28 PM
on a drill press... the center bore would be interesting... finding a bit big enough... or i may just not be creative enough right now.

Forstner wood bit works fine in aluminum, clamp the piece well, keep it lubed and keep the drill speed down
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Chuck P
The clowns'? Oh, yeah, the clowns. We fight them too — entire armies, spilling out of Volkswagons. We do our best to fight them off, but they keep sending 'em in!
94 YJ - gone
98 ZJ - sons truck
97 TJ - daughters project

www.oldjeep.com

Mr_Random

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Re: Guardian 7's Pre-91 TBI Spacer
« Reply #7 on: June 11, 2008, 11:57:41 PM »
I bet a spacer on the TBI would be WAY more beneficial than on the MPI. The original spacers were made by hot rodders, usually out of dense wood, to extend the chamber in which the fuel and air mixes after the carb for better fuel distribution.

MPI's shoot fuel right into the intake valve, the only benefit from a spacer is more air volume in the manifold (and not by much).

The TBI injects air/fuel similar to a carb, lifting the fuel body WILL actually help mix the particles.

Yeah, so for everyone who wishes to stay with their TBI, I hope someone makes a good spacer soon!

... as for me, MPI I'm on my way! haha...
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Matt vs YJ

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Re: Guardian 7's Pre-91 TBI Spacer
« Reply #8 on: June 12, 2008, 04:50:32 PM »
I found a place called eMachineShop that looks interesting. As soon as I can figure out how to use their CAD-type program, I'll try to get a price quote. If it looks feasible, then I may order a small batch and put em up for sale.

I doubt I'll get to it within the next few weeks though.

-Matt
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Offline oldjeep

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Re: Guardian 7's Pre-91 TBI Spacer
« Reply #9 on: June 12, 2008, 05:09:32 PM »
Quote from: Matt vs YJ on June 12, 2008, 04:50:32 PM
I found a place called eMachineShop that looks interesting. As soon as I can figure out how to use their CAD-type program, I'll try to get a price quote. If it looks feasible, then I may order a small batch and put em up for sale.

I doubt I'll get to it within the next few weeks though.

-Matt

Emachineshop is cool if you need a prototype and don't care about cost.  I think you'll be suprised when you find out the cost.

Find a local machine shop or part time guy.  Might even want to talk to my friend http://www.jnutter.com  - he may be able to give you a reasonable quote.
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Chuck P
The clowns'? Oh, yeah, the clowns. We fight them too — entire armies, spilling out of Volkswagons. We do our best to fight them off, but they keep sending 'em in!
94 YJ - gone
98 ZJ - sons truck
97 TJ - daughters project

www.oldjeep.com

Offline chardrc

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Re: Guardian 7's Pre-91 TBI Spacer
« Reply #10 on: June 12, 2008, 06:20:11 PM »
Quote from: oldjeep on June 11, 2008, 08:39:49 PM
Forstner wood bit works fine in aluminum, clamp the piece well, keep it lubed and keep the drill speed down

hmm.. interesting... if only i wasn't so lazy.
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1990 YJ 4cly, ax5, 2.5 inch BDS lift, 31 MTr\'s,  Powertrax-lockers all around, track-bars removed, boomerang shackles, warn m8000 winch, electric fan. [sold but not forgotten]

2007 jk Rubicon 2dr

Matt vs YJ

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Re: Guardian 7's Pre-91 TBI Spacer
« Reply #11 on: June 12, 2008, 08:57:55 PM »
Quote from: oldjeep on June 12, 2008, 05:09:32 PM
Emachineshop is cool if you need a prototype and don't care about cost.  I think you'll be suprised when you find out the cost.

Find a local machine shop or part time guy.  Might even want to talk to my friend http://www.jnutter.com  - he may be able to give you a reasonable quote.

You're right, the price from eMachineShop isn't worth it unless I order at least 25 at a time. I'll check around at some local places.

Kinda OT, but my dad worked at the machine shop at NASA for 30 years, and used to be able to make this kind of stuff all the time, would only take him 15 minutes. But now everything is CNC and lasers and such. So now it's much harder to do "one offs" with scrap material when you have to deal with the programming end of things.
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Offline chardrc

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Re: Guardian 7's Pre-91 TBI Spacer
« Reply #12 on: June 13, 2008, 10:29:14 PM »
have you actually taken off your throttle body to measure the size of the opening. or are you going off the gasket/ guessing right now. if you have the measurements id be interested in them since id like to do it ounce instead of having to take it off ounce to measure then again to install the final product. 
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1990 YJ 4cly, ax5, 2.5 inch BDS lift, 31 MTr\'s,  Powertrax-lockers all around, track-bars removed, boomerang shackles, warn m8000 winch, electric fan. [sold but not forgotten]

2007 jk Rubicon 2dr

new2jeeps97tj

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Re: Guardian 7's Pre-91 TBI Spacer
« Reply #13 on: June 15, 2008, 10:43:48 AM »
I am in the process of making one of these for my friends jeep.  Trying to find a local dyno shop just to see if we can do a quick run to see if it is going to help any.  I have  1" and 2" made up right now so as soon as we see some numbers we are planning on making the kit (spacer, gaskets, and bolts) easy to get so I will keep you all informed
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Matt vs YJ

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Re: Guardian 7's Pre-91 TBI Spacer
« Reply #14 on: June 30, 2008, 12:29:55 AM »
Quote from: new2jeeps97tj on June 15, 2008, 10:43:48 AM
I am in the process of making one of these for my friends jeep.  Trying to find a local dyno shop just to see if we can do a quick run to see if it is going to help any.  I have  1" and 2" made up right now so as soon as we see some numbers we are planning on making the kit (spacer, gaskets, and bolts) easy to get so I will keep you all informed

Any update on the progress?
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