Dedicated to the Promotion and Preservation of American Muscle Cars, Dealer built Supercars and COPO cars. |
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#1
04-17-2001, 12:34 AM
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Re: L-72 Dyno Test
Marlin! Man, I hav'nt seen you forever! Did you get your Yenko done yet. Remember put the stock cam in, ask Niel about that advice.The COPO will be out sometime but I'm not sure when. Hope to see you this Sept. and once again I'll bring the beer.
 
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Pete Simpson 1962-2013 RIP Owen Simpson Eric Simpson 
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#2
04-17-2001, 02:30 PM
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Re: L-72 Dyno Test
Pete;
My car is coming along, I hope to have it ready for the new All GM Show at Carlisle in June, 2001. I put the right cam in it, and the 11.0:1's, hope to hear it running by early next month. Some pics are attached, I plan on running whitewalls at the concourse shows. I only have two of the Atlas wheels, and am looking for another pair - anyone?? M
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Marlin 70 Yenko Nova-350/360, 4speed M21, 4.10 Posi (Daddy's Ride) 69 SS Nova-396/375hp, 4speed M20, 3.55 Posi (Benjamin's Ride) 67 RS Camaro-327/250hp, 2speed Glide, & 3.08 Open (Danny's Ride)
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#3
04-17-2001, 03:24 PM
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Re: L-72 Dyno Test
M:
Car looks good! If you could get the car to look like that on the launch, you would have one heck of a 60 foot time! What a launch  . Any chance of you making to Michigan this year? Is Neil gonna be there again?Peter: I'm hoping to rebuild my engine and see if I can get some dyno time to break it in a try a few things. Question: I need to curve my distributor...how soon does it need to be all in? 2,500? Sooner? Later?
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#4
04-18-2001, 11:50 PM
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Re: L-72 Dyno Test
CHEVY454; In my cars I run all the timing in at 2500 rpm. 20 initial and 36 total.Good luck. Let me know what your dyno says!
Marlin; Cars looks like it's coming right along. I love the shot with the old 1/4's hanging in the background. Good luck to you as well. Peter
__________________
Pete Simpson 1962-2013 RIP Owen Simpson Eric Simpson
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#5
04-22-2001, 08:18 PM
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Re: L-72 Dyno Test
Marlin:
Your car is coming along good. I like the old 1/4's haning in the background as well. Looks like you are doing a super job.:burnout :
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#6
04-23-2001, 02:26 PM
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Re: L-72 Dyno Test
Thanks for the kudos, I can't wait to drive it. I also saved the deck lid and tailight panel, and plan on hanging them together in my garage at home. Brian Henderson has an original '69 Yenko Camaro 1/4 hanging in his shop as well, they look cool!
M
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Marlin 70 Yenko Nova-350/360, 4speed M21, 4.10 Posi (Daddy's Ride) 69 SS Nova-396/375hp, 4speed M20, 3.55 Posi (Benjamin's Ride) 67 RS Camaro-327/250hp, 2speed Glide, & 3.08 Open (Danny's Ride)
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#7
09-06-2001, 01:57 PM
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Re: L-72 Dyno Test
Well, guys, it's final: we put the L-72 on the dyno yesterday, and it spun it up to the tune of 420hp@5,600. This was through the exhaust manifolds, of course, but we were more after a good "break in" for the engine, and to try so different settings (jetting, timing, lash, etc.). Needless to say, we learned a LOT! The settings we ended with (lash=24,24 jets=78,84 timing=40 degrees) are a little bit different than what Pete used, but they worked the best for us, so we stuck with 'em. Now, I had better go see about getting that thing between the frame rails...
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