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Thread: Aspen off season projects

  1. #681
    Aspen and Volare Super Moderator aspen79's Avatar
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    I'm feeling it at age (almost) of 57, after turning wrenches professionally for 37 years so far. If you add in the years before starting full time doing it for a living in 1984, there's another few years before that too. I know there was a time when everything didn't always hurt at least a little bit,,,,,,,,,,,,,,constantly. That doesn't help with the weekend and evening ambition either, lol.
    1979 Aspen Sunrise 500". Bought in 1987 with 72,000 miles and a mighty E24 California emission 90hp leaning tower of power/4-speed
    1996 Dakota with a torque monster (not) 3.9L V-6 and automatic owned since 1998. Now demoted to winter duty
    2008 Ford Mustang V6, the new summer daily driver

  2. #682
    Aspen and Volare Super Moderator aspen79's Avatar
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    Backed the Aspen out of the garage on this rare (for February) sunny, 50 degree day. Wanted to see if the A/F gauge worked with the new wide band sensor and,,,,,,,,,,,,,it seems to. Will know for sure if it really is working when I can take the car on the street. That could be awhile yet. Guessing 2 months wait minimum yet.
    1979 Aspen Sunrise 500". Bought in 1987 with 72,000 miles and a mighty E24 California emission 90hp leaning tower of power/4-speed
    1996 Dakota with a torque monster (not) 3.9L V-6 and automatic owned since 1998. Now demoted to winter duty
    2008 Ford Mustang V6, the new summer daily driver

  3. #683
    Aspen and Volare Super Moderator aspen79's Avatar
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    Got the car out of the garage again. Didn't leave the back driveway but was nice to hear it running. A couple months ago when I last had it out, all the lights worked. Today neither right side marker worked. Bulbs burned out, weird.

    Also noticed, if the A/F gauge is truly working correctly, it seems to be running way too rich. At idle it's fine, hovering around 13:1, off idle the gauge goes to 10:1 (low as it goes) and the engine feels rough. The only thing I did to the engine since last fall is add the filter top which should have no effect on the fuel ratio, especially not make it go rich off idle. Going to wait until I can take it for a ride and then see what's what before fiddling with anything. Plus, I'm still toying with the idea of changing carbs to an 850. Either a Holley Street Avenger or Quick Fuel Brawler series carb. The Summit 750 is OK but at WOT on the road, there's close to 4" of manifold vacuum yet, which makes me think the engine needs more airflow. Also, the Summit carb has always had a hesitation on accel from a stop unless you ease into it. Upgraded to a 50cc pump and have the largest pump squirters in the kit, have tried different pump cams also. It's a definite lean hesitation. The A/F jumps to over 17:1 briefly when it happens. Maybe I've just simply got this particular carb maxxed out(?)

    Did notice with the filter top, along with the open scoop, sure can hear the carb sucking air!
    Last edited by aspen79; 1 Week Ago at 08:33 PM.
    1979 Aspen Sunrise 500". Bought in 1987 with 72,000 miles and a mighty E24 California emission 90hp leaning tower of power/4-speed
    1996 Dakota with a torque monster (not) 3.9L V-6 and automatic owned since 1998. Now demoted to winter duty
    2008 Ford Mustang V6, the new summer daily driver

  4. #684
    Aspen and Volare Super Member Mopars1's Avatar
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    I have a Quick Fuel Brawler 850 on my 340. Nice carb!
    1977 Dodge Aspen R/T Super Pak T-Tops
    2007 Dodge Ram 1500 HEMI Quad Cab 4WD
    2016 Dodge Dart GT Sport
    2017 Dodge Challenger R/T Scat Pack

  5. #685
    Aspen and Volare Super Moderator aspen79's Avatar
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    Pretty much have my mind made up to go with an 850 Brawler. I assume all the tuning parts like jets, air bleeds, etc are the same as a Holley? Not sure what it is about the Summit carb. It works fairly good for the price but something just isn't right with it.
    1979 Aspen Sunrise 500". Bought in 1987 with 72,000 miles and a mighty E24 California emission 90hp leaning tower of power/4-speed
    1996 Dakota with a torque monster (not) 3.9L V-6 and automatic owned since 1998. Now demoted to winter duty
    2008 Ford Mustang V6, the new summer daily driver

  6. #686
    Aspen and Volare Super Moderator aspen79's Avatar
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    Before I changed my mind again, got the crow bar and pried my wallet open and ordered the carb. There, done!

    https://www.summitracing.com/parts/q...67214#overview
    Attached Thumbnails Attached Thumbnails brawler carb.jpg  
    1979 Aspen Sunrise 500". Bought in 1987 with 72,000 miles and a mighty E24 California emission 90hp leaning tower of power/4-speed
    1996 Dakota with a torque monster (not) 3.9L V-6 and automatic owned since 1998. Now demoted to winter duty
    2008 Ford Mustang V6, the new summer daily driver

  7. #687
    Super Moderator 77rr2x4s's Avatar
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    looks like a nice carb, go for it!

  8. #688
    Aspen and Volare Super Moderator aspen79's Avatar
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    I'll know how it works in a few days when it arrives. Then I'll see if anything else needs changed like the fuel lines for example, or maybe it'll all bolt on as is. Now I'm kind of excited, like a kid waiting for Christmas morning. Who knows, maybe I'll get more than 10mpg with the new carb. If so, great! If not,,,,,,,,,,,,,,,it is what it is. A guy I work with has a '67 LeMans with a 400 Pontiac, lumpy cam, high stall converter, Holley 850, headers, 3.55 rear, etc., and he averages mid to high teens for mpg even with the A/C on, and his right foot is extremely heavy if you know what I mean. So my car with 10 mpg avg (driving with a light foot), WTF?

    I've been reading about the Summit 750 and seems quite a few have the same problems as I do. Carb works good at first, then a couple years later it goes downhill. Most of the issues I saw are the exact same ones I'm having. The throttle shaft is loose and leaks fuel onto the manifold (and is also a vacuum leak), a hesitation on tip in that nothing seems to help (right out of the box), idle a/f ratio that's different every time the car is started, massively lean on throttle tip in at speed (mine goes to 17-18:1) and no amount of jetting or power valve ratings change one iota, etc................ At least I'm not alone. I think it's a good carb overall but I suspect to keep the price down, corners were cut on manufacturing and material quality. Not buyers remorse, it got the car drivable when I was trying to save money after spending who knows how much building the rest of the car. Well, we've all probably been there.
    Last edited by aspen79; 1 Week Ago at 10:19 AM.
    1979 Aspen Sunrise 500". Bought in 1987 with 72,000 miles and a mighty E24 California emission 90hp leaning tower of power/4-speed
    1996 Dakota with a torque monster (not) 3.9L V-6 and automatic owned since 1998. Now demoted to winter duty
    2008 Ford Mustang V6, the new summer daily driver

  9. #689
    Aspen and Volare Super Member Mopars1's Avatar
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    Quote Originally Posted by aspen79 View Post
    Before I changed my mind again, got the crow bar and pried my wallet open and ordered the carb. There, done!

    https://www.summitracing.com/parts/q...67214#overview
    I have the "other" Brawler 850. No choke horn. All flat on top. Very tune-able.
    1977 Dodge Aspen R/T Super Pak T-Tops
    2007 Dodge Ram 1500 HEMI Quad Cab 4WD
    2016 Dodge Dart GT Sport
    2017 Dodge Challenger R/T Scat Pack

  10. #690
    Aspen and Volare Super Moderator aspen79's Avatar
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    I gotta have a choke. It's just one of those things, lol.
    1979 Aspen Sunrise 500". Bought in 1987 with 72,000 miles and a mighty E24 California emission 90hp leaning tower of power/4-speed
    1996 Dakota with a torque monster (not) 3.9L V-6 and automatic owned since 1998. Now demoted to winter duty
    2008 Ford Mustang V6, the new summer daily driver

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