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SV-1 CARBURETOR - WEIRD (in a good way)

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Post  Wayne Pearce June 14th 2010, 8:49 am

I finally got around to installing my new Pro Systems SV-1 carburetor. When I say "weird", I mean installed out of the box, waited for the electric fuel pump to fill the bowls, pumped the pedal once, cranked it over, and it's running, idling at 800 RPM! With my previous 1150 Dominator, I had to dance on the gas pedal for at least a minute before it would idle at 1,100 RPM! I can't wait to get this thing on the road!

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Post  dfree383 June 14th 2010, 9:18 am

Post some pics.
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Post  Wayne Pearce June 14th 2010, 1:45 pm

I'm out of town today, but I will try to get some pics posted as soon as I can.

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Post  '65 T-BOLT June 14th 2010, 4:19 pm

sounds like a super cool piece!
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Post  windsor July 30th 2010, 5:33 am

any updates on results, Wayne?
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Post  Wayne Pearce July 30th 2010, 9:12 am

Okay, guys: The car is (was) on the road, but some electronic issues have surfaced that have me scratching my head! I gave her a try out blast on the first day, throttle response was awesome, the engine pulled like I was rear ended by the space shuttle, I was happy, all was well with the world - drove it home, put it in the garage. Second time out the car started to stumble and back fire through the carb, and exhaust, no joy - went home! Third day, started her up, ran awful until she got some heat in to her, but still back firing! Fourth day, it won't start at all - I found the spark to be a little on the weak side until I let go of the key - then there's one real good spark. The ignition system is all MSD. Any thoughts??

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Post  bruno July 30th 2010, 9:31 am

voltage ????

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Post  4thHorseman July 30th 2010, 11:42 am

what's this carb on?
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Post  Wayne Pearce July 30th 2010, 3:05 pm

Ernie:
The engine is a 13.3 CR 545 cu. in. Ford, pushing through a Lenco 5 speed, and 4.11 gears.

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Post  jbozzelle July 30th 2010, 3:27 pm

I've had that problem when I sheared the roll pin on the dizzy gear.

Check the MSD box too.

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Post  lghting94 July 30th 2010, 4:36 pm

Msd box and or module in the distributor my truck did this
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Post  Wayne Pearce July 30th 2010, 5:54 pm

Everything is OK - found out there was nothing wrong with my ignition (plug wire damn near knocked me on my ass, when I was hooking up my timing light)! My problem was some bad 110 octane gas (OLD), which in turn screwed up my plugs! New plugs, new gas, running real good now. Thanks everybody for your input.

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Post  DaveMcLain July 31st 2010, 3:55 pm

I'd say that the new carburetor is the problem, it's running super rich at idle. That's why it started and ran so smoothly when cold the first time whereas with your old carburetor you were providing the needed enrichment until the engine warmed up with the accelerator pump. Now it has the plugs black from being over rich.


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Post  windsor August 2nd 2010, 9:38 am

either way, let us know results! Wink
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