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Post by gitrdun on Dec 27, 2011 19:52:31 GMT -5
I just picked up a Bradley GT that has been sitting in a garage for maybe a decade. Its in good shape but needs a few touchups here and there. After pricing these cars already built i figured i can buy one cheaper than i can fix up the one i was working on.
I took it for a spin and barely got her to go 40mph. Runs nice and smooth just slow. Im not sure if it has a 1300 motor or 1600 or who knows what. Could the carb being out of tune or just bad cause it to be this slow? Whats the top speed for one of these little cars with say a 1600 stock motor? Im not expecting to have a race car feel here just wanting to know what i should be expecting.
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Post by gitrdun on Dec 27, 2011 19:55:08 GMT -5
One other question about the VW engines.
Will a set of 1600cc cylinders fit a 1300cc motor without modification? Or would the block and heads need machined out to fit?
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Post by jspbtown on Dec 27, 2011 22:20:35 GMT -5
Post the ID number of the engine (located under the generator mount) and we can tell you what it at least started out as. Also, a pic of the engine will help see if anything huge is out of order.
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stevevw
Full Member
Part VW part Porsche , all Bradley
Posts: 117
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Post by stevevw on Dec 28, 2011 0:37:38 GMT -5
Check the throttle cable to make sure the throttle is fully opening .
My twoie will get to 95 mph with the stock 1600 in it . If it is a 1300 it should still go pretty well .
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Post by 48flatbed on Dec 28, 2011 4:28:13 GMT -5
My GT will easily pass highway speeds (1600, Bugpack intake manifold, holley 2bbl carb, header). I have not had it over 85 (indicated) because the frontend gets 'skitish'. If urs runs/idles well I would agree with stevevw check for full opening of the throttle plate.
Jon
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Post by gitrdun on Dec 28, 2011 12:08:29 GMT -5
I didnt even think of checking the opening, that sounds like a good possibility. Im pretty sure the carb is way out of adjustment. It will start and idle fine but it smokes like a chimney and idles rough. Sounds like its loading up. Im going to go through the basics, start with plugs and check the points. Timing looked pretty close. I adjusted the bypass and mixture screws but didnt help much at all. Turned the bypass almost all the way out and the mix screw is turned in almost all the way. Still smoking bad.
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Post by smyrnaguy on Dec 28, 2011 12:39:44 GMT -5
If you have a 1300 it almost has to be a 1966 ( or late 65). A 66 bug has a final transmission gear ratio of 3.88:1 and has a maximum cruising speed of 74mph. Aerodynamics and weight reduction might gain an additional 5 or so mph but those gains might disappear again depending on tire size.
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Post by gitrdun on Dec 28, 2011 13:21:29 GMT -5
The chasis i was told is a 77 bug. The owner also said that the engine used to be fuel injected, i didnt know VW used injection but then again i obviously am not a VW expert.
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Post by jspbtown on Dec 28, 2011 13:36:44 GMT -5
77 would be a 1600 but again...the number on the engine would help to eliminate alot of people just guessing.
And since it might have been fuel injection one could again speculate that the carb on it is not original to the engine. So if the carb is not an appropriate pict 34 (for a stock one) and is maybe a pic30 then the carb might not be big enough for the engine.
A pic would help there too..or at least a number off the carb. Again, to prevent needless guessing.
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Post by gitrdun on Dec 28, 2011 15:03:57 GMT -5
I will get the numbers when i get a chance. Sure would be helpfull to at least know what the engine is or was to begin with.
I apreciate the help.
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Post by gitrdun on Dec 28, 2011 18:17:44 GMT -5
AJ101954 is the number stamped on the generator stand.
The throttle isnt opening past maybe 1/3rd open. Someone has rigged up a cable mount thats not working. That will solve the slow speed issue im sure. Just need to get the carb tweaked in now. Its a PICT34 if i remember right.
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Post by jspbtown on Dec 28, 2011 18:30:27 GMT -5
Thats a 1600 50hp. Its a nice motor to have. PICT 34 is the right (albeit basic) carb for that motor.
Sounds like you found your problem.
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Post by gitrdun on Dec 28, 2011 22:24:10 GMT -5
Good to know. Thanks for the info.
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Post by spyderdriver on Jan 3, 2012 1:34:31 GMT -5
with some insanity we hit 85 in my stock 1300 (late 65) with two fat guys in it. and that was off a gps so thats right.
the spedo was saying 75 or so cuz the tires wer too small. if i had some bigger ones on i think i could have pushed it more.
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