1st Generation Specific (1979-1985) 1979-1985 Discussion including performance modifications and technical support sections
View Poll Results: What size chokes in your 2bbl carburettor?
35mm chokes
0
0%
36mm chokes
1
20.00%
37mm chokes
1
20.00%
38mm chokes
0
0%
39mm chokes
0
0%
40mm chokes
0
0%
41mm chokes
1
20.00%
42mm chokes
0
0%
43mm chokes
2
40.00%
44mm chokes
0
0%
Voters: 5. You may not vote on this poll

What size chokes in your 2 barrel carb?

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Old 02-09-04, 01:28 PM
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Blood, Sweat and Rotors

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What size chokes in your 2 barrel carb?

Please select via poll above and reply with following information:

Engine size (10a, 12a, 13b):
Porting if any (stock, street, brige, peripheral):
High Performance Exhaust system? (Y/N):
Carburetor Make (Weber, Dellorto, Mikuni, SK):
Carburetor Size (44mm, 45mm, 48mm, 51mm, etc.):
Length and model of velocity stacks (50mm, original, TWM, etc...):
What RPM you typically shift @ for normal casual driving:
Venturi Size:

Thanks!
Old 02-09-04, 01:38 PM
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Blood, Sweat and Rotors

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I'll start this off with my REPU.
13b
4-port mild streetport
Yes. RB Header. Dual glasspacks. Flowmaster collector. Magnaflow 2.5" diameter muffler.
Dellorto
48mm
100mm TWM Induction aluminum bellmouth
Shift @ 4000rpms mostly. Sometimes 4500rpms.
41mm chokes
Old 02-09-04, 10:06 PM
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Blood, Sweat and Rotors

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no one else with input?
Old 02-09-04, 10:14 PM
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Why do you ask? This is info I would not even have a clue as to what it was with out running out to the car and measure it with something.

Tell us more!! Working on something big?
Old 02-09-04, 10:20 PM
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Blood, Sweat and Rotors

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Comparison sake!

More info contributed the better!!
Old 02-09-04, 10:26 PM
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RX for fun

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Brad
here are my set up.

13-B big street port using GSL-SE internals pin rotors, etc etc. (both engines in the RX-3 and FB have SE internals), GSL_SE flwheel, 4 puck (RX-3), 6 puck (FB) and 3500 lbs pressure plate.

48 IDA
42 or 43 mm chokes**
Idle holder/jet: 120/75
Main Air/Fuel: F2 & F11, 150-175/220-245**
2 1/8 dual exhaust to a magnafow muffler. Yes, there are 3 ft long glass packs but they only lasted less a week. One of these days, I will take them off completely.


**depending on my mood for that day.
Old 02-09-04, 11:24 PM
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Blood, Sweat and Rotors

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what rpm do you shift @ Mel for normal driving?
Old 02-10-04, 01:39 AM
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13b half bridge-
48 ida
43mm chokes stock velocity stacks
8500rpm

12a stock port with header-
48 ida
37mm chokes
7k rpm
Old 02-10-04, 08:29 AM
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RX for fun

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Originally posted by DriveFast7
what rpm do you shift @ Mel for normal driving?
about 3500. due to my large ports and large venturies, my low end suck but good for top end. wish I can find my video tape reving the engine past 9500 at standing still.
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