Thanks! Casing numbers gave me more engine info - Saab Vintage Models Bulletin Board - Saabnet.com


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Thanks! Casing numbers gave me more engine info
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Posted by MI-Roger [Email] (#882) [Profile/Gallery] (more from MI-Roger) on Fri, 11 Sep 2020 18:17:41 Share Post by Email
In Reply to: Re: Tracking down more engine info, Name Left Blank, Thu, 10 Sep 2020 19:29:58
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One engine is a 1963 Bull Nose. The other was a 1968 Smog motor, smaller displacement to avoid US Emissions Regulations. Because the later blocks had a fuel delivery improvement (different porting in the block maybe?) some of these smog engines have been bored out and NOS standard pistons installed to be the same displacement as the 1967 engines.

Since my Quantum was built in 1964, and the driven wheel hubs are the pre-1964 Clam Shell type, I currently plan to use the 1963 engine. Others in the Quantum community have urged me to build this never completeed kit as a first year car, rather than make it a 2000 SCCA Spec compliant vehicle. I have a 4-speed transmisison with the circular 2-stroke bell housing, which I think is original based on the uniform layer of crud covering both the gear case and bell housing.

_______________________________________ Saabs owned: 2008 9-5 Aero Sedan, sold at 227K miles 2006 9-3SC 2.0T - Wife's daily driver 2000 Viggen Convertible - Summer Fun Car 1964 Quantum IV Formula Car - Retirement project 2000 9-5lpt Sedan, sold at 318K miles


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