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Underbody braces, turbos and more!

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PostPosted: Sun Sep 18, 2011 3:40 am 
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Joined: Sat Aug 13, 2011 10:37 pm
Posts: 23
Location: Vancouver, bc
My carb (same Hitachi MR08 carb as '88 Chevy Sprint) has a slow vacuum leak in the secondary diaphragm. I seem to be unable to find a replacement for this specific part. Like when my distributor had a vacuum leak in the timing advance unit, I had to buy a whole new distributor to remedy the problem. Unless anybody has a source for the secondary diaphragm, I will likely be getting a whole new carb. Problem is Rockauto has 5 different carb's listed as follows:

AUTOLINE Part # C295 {#HI2} Reman
w/Closed Loop, w/Single Fuel Inlet

AUTOLINE Part # C4040 {#AI2} Reman
w/Open Loop, w/OEM #82060; 82061

AUTOLINE Part # C4050 {#AI2} Reman
w/Open Loop, w/OEM #86310

AUTOLINE Part # C4012 {#AI2} Reman
w/Open Loop, w/OEM #82230; 86010

AUTOLINE Part # C294 {#HI2} Reman
w/Closed Loop, w/Double Fuel Inlet

Exactly which one should be used to replace the Hitachi MR08? They all look nearly identical in the photos and similar enough to the MR08 that I can't really tell based on the image which one is the right one. Anybody ever bought one of these before who can tell me which one is good? I would prefer to swap it out with a minimum of hassle.

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1988 Suzuki Forsa
1988 Chevy Sprint


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PostPosted: Sun Sep 18, 2011 8:50 am 
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Joined: Tue Oct 24, 2006 3:09 pm
Posts: 4998
Location: Palm Springs: Too hot from June to Oct.!
Click here:
viewtopic.php?p=388464#p388464

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DIY Broken Bolt Removal: viewtopic.php?f=22&t=41042
DIY Clutch Adjustment: viewtopic.php?f=9&t=48281
DIY Wheel Bearings: viewtopic.php?f=2&t=29003
DIY Shocks: viewtopic.php?f=10&t=45483
DIY Wheel Align: viewtopic.php?f=2&t=42479
Once you get the cars dialed-in (compression, leaks, bearings, alignment, brakes) swap in new rubber and glass, you've got something which should last for years!


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PostPosted: Sat Oct 15, 2011 2:24 am 
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Joined: Tue Jul 19, 2011 3:44 am
Posts: 77
Location: california
To answer your question, the carb choices you have are differentiated mainly by open or closed loop, and single or dual fuel inlets. the fuel inlets choice would seem to be easy, just count em. open/closed loop usually pertains to the use of an 02 sensor; closed loop uses the sensor, open doesn't, so look at your exhaust to see if you have one. that should narrow it down. now I have a question, Where did you find a source for remanufactured carbs? How much are they and do they require a core charge? I have been trying to find another car to buy for ages, just to get a spare carb and ECM.
Cheers


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PostPosted: Sun Oct 16, 2011 11:19 pm 
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Joined: Sat Aug 13, 2011 10:37 pm
Posts: 23
Location: Vancouver, bc
Yea, I need a closed loop because it there is a O2 sensor and the carb is controlled by the ECM. All those carbs I listed are off rockauto.com

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1988 Chevy Sprint


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PostPosted: Mon Oct 17, 2011 11:19 am 
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Joined: Tue Oct 24, 2006 3:09 pm
Posts: 4998
Location: Palm Springs: Too hot from June to Oct.!
C-294 if you have a double fuel inlet.
$425 plus shipping (includes $50 core).
That's a $50 price reduction over last year, but you will have to use your original IUA.
Might be a good way to go.
If you only have one line going into the carb (rare) you'd use the C-295.
Here's an upside down double inlet:
Image
and you can see two black lines attached at the front right of this picture:
Image
(from the carb rebuild thread)
You might ask if you can return your Hitachi and get $50 back; probably OK.

Looking at the price of a rebuilt carburetor, and the asking prices of 85-88 Sprints with no issues, it would appear that the day of the '$200' Chevy Sprint is gradually coming to an end.

_________________
DIY Broken Bolt Removal: viewtopic.php?f=22&t=41042
DIY Clutch Adjustment: viewtopic.php?f=9&t=48281
DIY Wheel Bearings: viewtopic.php?f=2&t=29003
DIY Shocks: viewtopic.php?f=10&t=45483
DIY Wheel Align: viewtopic.php?f=2&t=42479
Once you get the cars dialed-in (compression, leaks, bearings, alignment, brakes) swap in new rubber and glass, you've got something which should last for years!


Top
 Profile  
 
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