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Crotchety Old Bastard
 
RarlyL8's Avatar
 
Join Date: Jan 2000
Location: Huntsville, AL
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930 Bell Crank - How does this thing go together?

I purchased a 930 linkage bell crank for the Evil Engine. Unfortunately it came in pieces. I have a schematic but still can't quite figure it out. I think something is missing, probably bushings. I also can't figure out how the spring is oriented.

Yes, I have this same bell crank on the engine in my car. trouble is I can't see it due to it's location. I hate to take the top of the engine apart but will if need be.

Here is what we have :


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RarlyL8 Motorsports / M&K Exhaust - 911/930 Exhaust Systems, Turbos, TiAL, CIS Mods/Rebuilds
'78 911SC Widebody, 930 engine, 915 Tranny, K27, SC Cams, RL8 Headers & GT3 Muffler. 350whp @ 0.75bar
Brian B. (256)536-9977 Service@MKExhaust Brian@RarlyL8
Old 11-11-2006, 12:52 PM
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7.0:1 > 11.3:1
 
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One picture I happen to have:

Old 11-11-2006, 01:07 PM
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Crotchety Old Bastard
 
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Thanks Jim!
Am I missing the bushings? This thing has gaping slop at both points where the main shaft slides through the dual upright arms on the base plate.
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RarlyL8 Motorsports / M&K Exhaust - 911/930 Exhaust Systems, Turbos, TiAL, CIS Mods/Rebuilds
'78 911SC Widebody, 930 engine, 915 Tranny, K27, SC Cams, RL8 Headers & GT3 Muffler. 350whp @ 0.75bar
Brian B. (256)536-9977 Service@MKExhaust Brian@RarlyL8
Old 11-11-2006, 08:17 PM
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You bet there are bushings. See the parts diagram in the "Throttle Linkage Problem" thread currently running. At least you have the funny little spring clip that somehow holds the ball cup of the linkage onto the ball.

And an other one suggesting that perhaps a guys perceived lack of power is due to the throttle butterfly not fully opening because these bushings have disintegrated.

Walt Fricke
Old 11-11-2006, 08:24 PM
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Crotchety Old Bastard
 
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Thanks-
I took another look at the schematic and can barely see what looks like bushings. I'll check and see if they sell them here.
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RarlyL8 Motorsports / M&K Exhaust - 911/930 Exhaust Systems, Turbos, TiAL, CIS Mods/Rebuilds
'78 911SC Widebody, 930 engine, 915 Tranny, K27, SC Cams, RL8 Headers & GT3 Muffler. 350whp @ 0.75bar
Brian B. (256)536-9977 Service@MKExhaust Brian@RarlyL8
Old 11-12-2006, 05:54 AM
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OFF THE BOOST PIPE NOW...
 
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They probably sell them here. I found some at Lowes that worked in a pinch.
Old 11-14-2006, 04:49 PM
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