91 SPG "slugish" - Saab 900 Bulletin Board - Saabnet.com
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91 SPG "slugish"
Posted by Ed F [Email] (more from Ed F) on Sun, 20 Nov 2005 16:53:04
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Since I first bought my 91 SPG, it has been slugish (bad BPV). I just installed a new BPV, changed a couple of intake boots that were too soft, and it still doesn't feel right. My stock junk yard motored 88 SiS will run rings around this car. It boosts halfway into the yellow in first and second, 3/4 in 3rd, and nearly touches the red in 4rth and 5th. The shudder and stalling is now gone, but it runs out of steem half way up the RPM band. I have owned and worked on many of these cars, and eliminated all the vacuum leaks, but still no go. What puzzles me is the lack of power with good boost (3rd-5th). The car has low miles, runs very "cool" for a classic 900. I'm stumped. Help is greatly appreciated.
Ed Fahrenkrug
88 SiS
91 BG SPG
posted by 70.114....
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