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New L 28 Goes In The 1970


Diseazd

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I took some pix tonight with the air filter hooked up. Looks and runs amazing!!!! My dad did an outstanding job.

<a href="http://www.flickr.com/photos/14049800@N00/2612559530/" title="IMG_9287 by RVAE34, on Flickr"><img src="http://farm4.static.flickr.com/3203/2612559530_d63d3b38d9_b.jpg" width="1024" height="683" alt="IMG_9287" /></a>

<a href="http://www.flickr.com/photos/14049800@N00/2612557646/" title="IMG_9285 by RVAE34, on Flickr"><img src="http://farm4.static.flickr.com/3080/2612557646_8d2d55fe0c_b.jpg" width="1024" height="683" alt="IMG_9285" /></a>

<a href="http://www.flickr.com/photos/14049800@N00/2611722439/" title="IMG_9284 by RVAE34, on Flickr"><img src="http://farm4.static.flickr.com/3008/2611722439_84a7cdb694_b.jpg" width="1024" height="683" alt="IMG_9284" /></a>

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  • 11 months later...
  • 4 weeks later...
It would be very interesting to get a wide-band A/F meter/recorder on that engine - then dyno tune it... Would be interesting to see if the SM's are too rich.... I've seen several reports that they are - but it would be good to see a direct comparison with supporting dyno runs..(on the same engine, same day, same dyno etc).

Everything sure looks great...

FWIW,

Carl B.

Carl......We did the dyno test with the SM's and an A/F meter and recorder. I'm not an expert, but my friend doing the dyno said the A/F was absolutely perfect through the entire rpm band. The only area it was running slightly rich was at idle. W/O the air cleaner we were running slightly lean at 7,000 r.p.m. I've got the chart on A/F if you need to know any specifics at different rpm. His comment was that even fuel injection doesn't run a better A/F than the L28 did! Guy

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Carl......We did the dyno test with the SM's and an A/F meter and recorder. I'm not an expert, but my friend doing the dyno said the A/F was absolutely perfect through the entire rpm band. The only area it was running slightly rich was at idle. W/O the air cleaner we were running slightly lean at 7,000 r.p.m. I've got the chart on A/F if you need to know any specifics at different rpm. His comment was that even fuel injection doesn't run a better A/F than the L28 did! Guy

Guy,

Thanks for the report on those dastardly SM needles. We know they run fine and have since first used in '73. I'd like to see a companion run done on the dyno using the stock needles for comparison.

Over all, great job!! Where'd you say you got those carbs again?? Nyuck nyuck

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