Finally got a chance to put this Freshly rebuilt TBI on. It was rebuilt at SPR Performance
http://www.sprperformance.com/ it was also bored to 54mm (for future endeavors) and Oil impregnated bushings installed in the throttle shafts, new IAC and a new TPS sensor was included, also put in a new adjustable fuel pressure regulator, a new spring and set the fuel pressure to 14 PSI. as you can see its a very clean rebuild, I couldnt be happier.
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I was gonna throw this on sooner, but the Spacer I had originally purchased was incorrect, so I had to order another one.
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The only real purpose of the spacer is so I didnt have to yank off the the intake manifold and have the intake manifold bored to 54mm so I took my die grinder and burr bits and worked on the top side to open it up to 54 mm and transition it to 50 mm, leaving the bottom part of the spacer virtually untouched.
I tried to get all pro, and used a sharpie marker and a needle to outline the throttle bore.. it kinda helped.
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I then started doing some research, I was looking on TBI chips website and what he did to an intake manifold I also watched a you tube video he linked about creating an air gap
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and said what the hell and did it myself.
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you can buy the spacers wide open like this as well, but I found it to be more expensive.
yesterday I was able to finally take the old one off
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old TBI gasket has seen better days
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new Gasket on ready to go
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and she runs again!!!
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been driving her around the last couple of days, and its been much better driving quality, hammering the throttle at dead stop to 60mph, I could feel the power fade and come back during certain rpms, it doesent do that any more, smooth acceleration through out.... the choppy Idle is also gone, I am very pleased I did this. it probably needed the rebuild. I broke the TPS clip installing the plug in end, so off to go order one of those now....