Sounds like it's running out of fuel on demand.
Have you changed out the inlet/needle valves and seats?
Jimmy
On 1/16/14, hmsevans@xxxxxxx <hmsevans@xxxxxxx> wrote:
> I joined this thread to seek parts and advice on my 1962 Sport Fury 413
> Project.
> After reading the last thread on Tuning
> I would like to ask if it would be OK to ask for some help solving the
> issues I have on my just completed 1959 Ply Sport Fury with a 1959 361 that
> I had built with a new Cam.
> If not OK ,I would appreciate any input via personal email.
>
> The Problem is Bogging (almost) to a stall when you want more power at
> 20-40 MPH cruise. It will Run strong off the line if you nail it, Starts and
> idles OK.
> Just unsafe to drive in traffic!
>
> The Motor is a 1959 Plymouth 361 , Bored .060 over , Heads ,Stock Exh. 1.60,
> Intakes was, 1.96 ,now 2.08 ,
> Cam is a Schneider , closely resembles the 1960 Commando cam.
> The cam is set at 109 deg intake CL/111degs ,Exhaust CL with a 110 deg lobe
> spread
> .Intake duration is 270 deg/Exh dur is 290 deg.
> Intake lift is .440/Exh lift is .460.
> Valve springs are 90-100 lbs.
> Compression Stock, 10-1
>
> Carb is rebuilt Carter Stock AFB - 2856S
> Distributor is Mopar Performance Elec Ignition
> Running 110 Leaded Race Fuel for tests, runs the same on unleaded pump gas
>
> I have the Mopar 2x4 Carb ( Carter # 2652S and 2653S ) setup ready to
> install. But I would like to sort out the Bogging issue before I switch the
> Manifolds.
> Any Ideas
> Mark Evans
>
>
>
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Please address private email -- email of interest to only one person -- directly to that person. That is, email your parts/car transactions and negotiations, as well as other personal messages, only to the intended recipient. Do not just press "reply" and send your email to everyone using the general '62-'65 Clubhouse public email address. This practice will protect your privacy, reduce the total volume of mail and fine-tune the content signal to Mopar topic. Thanks!
1962 to 1965 Mopar Clubhouse Discussion Guidelines:
http://www.1962to1965mopar.ornocar.org/mletiq.html and http://www.1962to1965mopar.ornocar.com/general_disclaimer.html.
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