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Author Topic: 383 Chevy Stroker  (Read 23182 times)

Offline 454 Camper Special

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383 Chevy Stroker
« on: May 23, 2015, 06:58:31 am »
78 Chevy Camper Special 4x4...
Having issues with finding the rite carb... Had a 600 Edelbrock on it...but learned that the 383 should have a 750 cfm carb... So I tried a Holley 770 Street Avenger... Ran sweet...nice and crisp..! Stepped away for a minute and she stalled...! Won't start back up...! Has the Edelbrock Performer RPM power package... MSD Pro Billet HEI... New plugs n wires... I'm open to suggestions... ???
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Offline 454 Camper Special

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Re: 383 Chevy Stroker
« Reply #1 on: May 23, 2015, 07:01:02 am »
What I really want to do is build that 77 Big Block 454... And make a freakn stump pullin monster..!!!
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Offline Irish_Alley

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Re: 383 Chevy Stroker
« Reply #2 on: May 23, 2015, 07:30:58 am »
i wont need a 750 unless youre turning 7500 rpms. generally speaking a 600 is good enough for a 454 turning 5500. if youre looking at a carb set up for racing then yeah a 650 would be good for 5500 rpms. what are your max rpms you plan on turning?
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Offline bd

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Re: 383 Chevy Stroker
« Reply #3 on: May 23, 2015, 09:10:10 am »
Determine whether it is getting fuel and spark.  Using a flashlight, do you observe a strong shot of fuel into the carburetor throats as you open the throttle?  Remove a plug wire from one of the spark plugs and connect it to a spark plug that is laying on the engine so the metal base is solidly grounded - do you observe a strong blue spark as an assistant cranks the engine?

Remove a few of the spark plugs.  Are they wet?
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Rich
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In other words... if people learn by making mistakes, by now I should know just about everything!!!
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Offline fxrsrider

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Re: 383 Chevy Stroker
« Reply #4 on: May 23, 2015, 09:34:33 am »
Before you start buying new parts, definitely consider the answers to Irish's questions. You can run as many CFM as you like...all depending on your application. Remember that your Performer Rpm (dual plane, I assume) has an rpm range....if I remember correctly, 0-4 or 5000 rpm.  (Imo ditching the Brock was a good idea)

Then troubleshoot using Bd's instructions.

Quote from: 454 Camper Special on May 23, 2015, 06:58:31 am
78 Chevy Camper Special 4x4...
Stepped away for a minute and she stalled...! Won't start back up...!

Meaning, it won't turn over? Or it turns over but stalls when you let off the pedal?

You have all of the right parts. The guys I'm building hot rod engines with hate the HEI distributors. Once you change displacement and cam lifts, vacuum changes, and complicates vacuum advances. We use the 85551 and an ignition box....then tune the distributor using the advance kit and rejetting the carb as needed.
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Offline Irish_Alley

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Re: 383 Chevy Stroker
« Reply #5 on: May 23, 2015, 09:49:54 am »
we all have made this mistake before. but you sure you have gas in the tank?
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If you can’t tell yourself the truth, who can you tell it to?~Irish_Alley

When you have eliminated the impossible, whatever remains, however improbable, must be the truth ~Sherlock Holmes

Offline 454 Camper Special

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Re: 383 Chevy Stroker
« Reply #6 on: May 23, 2015, 10:07:57 am »
Right now the ol'girl has a 383 stroker...pulled the 454 to build... The 383 that's in it now turns 5,500-6,000 rpm tops...geared low...TH-400
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Offline 454 Camper Special

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Re: 383 Chevy Stroker
« Reply #7 on: May 23, 2015, 10:10:39 am »
Yeah I thought it ran out of gas too...as my gauge isn't working...so I went and put another 10 gallons in it.. so it has gas
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Offline 454 Camper Special

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Re: 383 Chevy Stroker
« Reply #8 on: May 23, 2015, 10:14:08 am »
Just bought new NGK G-Power platinum plugs...gapped em .045... Gonna see what happens
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Offline 454 Camper Special

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Re: 383 Chevy Stroker
« Reply #9 on: May 23, 2015, 10:18:09 am »
No I had it idling...went inside for a minute...came back out and it had stalled... Thought it was out of gas...but wasn't... Put another 10 gallons in for shits n giggles... Whirled her over...nothin... Just wouldn't start back up... I'm guessing the 770 is to much carb...
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Offline 454 Camper Special

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Re: 383 Chevy Stroker
« Reply #10 on: May 23, 2015, 10:20:02 am »
I have a 600 & 750 Edelbrock...and a 770 Holley Street Avenger...vaccuum secondary's at my disposal
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Offline Irish_Alley

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Re: 383 Chevy Stroker
« Reply #11 on: May 23, 2015, 10:23:16 am »
did you pour a little gas into the carb to see if it will fire up?
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When you have eliminated the impossible, whatever remains, however improbable, must be the truth ~Sherlock Holmes

Offline 454 Camper Special

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Re: 383 Chevy Stroker
« Reply #12 on: May 23, 2015, 10:24:34 am »
Hey... I appreciate you all giving me advice... Thank you very much... It's nice chattin with knowledgeable gearheads that have a passion for raw horsepower as myself...! :)
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Offline 454 Camper Special

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Re: 383 Chevy Stroker
« Reply #13 on: May 23, 2015, 10:26:33 am »
Going out to try an get her fired up... I'll give yas a shout inna bit with my results k...
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Offline Irish_Alley

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Re: 383 Chevy Stroker
« Reply #14 on: May 23, 2015, 11:43:04 am »
Quote from: 454 Camper Special on May 23, 2015, 10:24:34 am
Hey... I appreciate you all giving me advice... Thank you very much... It's nice chattin with knowledgeable gearheads that have a passion for raw horsepower as myself...! :)
shhh this guy thinks we're knowledgeable

and gear heads
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If you can’t tell yourself the truth, who can you tell it to?~Irish_Alley

When you have eliminated the impossible, whatever remains, however improbable, must be the truth ~Sherlock Holmes
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