General Category > Quadrajet Carb Talk and Tips
Is this qjet ok for 400hp 10.5:1 Chevy 350?
Ethan1:
--- Quote from: novadude on January 07, 2014, 11:15:50 AM ---Why not just find a good core and build one yourself using parts from Cliff? This way you'll know what you have, and you can tailor it to your application. As said above, any "out-of-the-box" carb you buy will likely be coming apart anyway. Why not just start with a cheap core and DIY?
FWIW, a 10.5:1 355 with that cam won't need a ton of help except with the idle circuit. I am running something similar (355, 9.6:1, 217/225 108 LSA roller), and my car idles great and runs well with a carb built close to Cliff's "recipe 1" specs (slightly larger idle down channel restriction).
--- End quote ---
I agree. If you can find one over in Sweden, I would go ahead and build it to your specs using Cliff's book. ;)
Camaro350:
Thanks! The way you put it makes me believe there's lots of good info in that book. Can't wait to read it. In the meantime I'll be looking for a core or one that needs some work.
Camaro350:
Hi again, have another question ofcourse, how about this intake manifold? I like the advertised "multi" powerband design, don't know how true that is, but I want to build something different than the usual Performer type dual plane manifold.
http://www.summitracing.com/int/parts/ofy-5744/overview/make/chevrolet
Any answer highly appreciated!
Kim
Shark Racer:
I'd go with a Performer RPM (if you can get it under your hood) or the ZZ4 intake. The ZZ4 intake fits better than the Edelbrock or Weiand spread bores I've tried.
Camaro350:
Got the book today. Good read. Very interesting and a few hallelujah moments as well. :)
I read a little on the net about divided single planes like the Offenhauser and it seems they may not be the best solution for a daily driver not pushin 7000rpm. I can fit most intakes under the hood as long as it's dual plane, even high rise dual plane ones if I used a dropped base airfilter assy. Will probably go for the ZZ4 one or a similar, thanks.
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