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Hi all. I want to start by saying i'm not all that smart or high tech. Ive had my 86 GW about five years and had a few issues but ive been getting it...
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Did you ever get the issue fixed? Try a heated O2?
Looking at the OP's profile, it appears he has not been on the site since 2022. Depending on...
Did an LS swap on an old IH truck a few months back, ran great! I Hydro locked the motor so I swapped a new one in. Ever since I got it back on the...
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I had similar problems until I found the bad pins in the coil harnesses on both sides. I would intermittently be running on 4 only the left or right...
I drive a 1981 wagoneer with a newly rebuilt 258 4.2.
My new Holley sniper bbd for 258 has been up and running and not running off and on since...
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i did that sniper/hyperspark on my 360, heavymetal is correct its pretty str. fwd, and holly tech support is fantastic if you are having issues with...
I have a dude offering to sell a Holley Sniper (just the main bolt on unit with wires attached).
I know I would need the other ends of...
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i love my holley sniper and hyperspark, their support is exellent, a friend of mine bought a used unit had problems with it sent it to holly and they...
My previous rig I had a 360 and the 4150 mounted to an edelbrock performer intake with hyperspark distributor. will I be underwhelmed if I just bolt...
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i also port matched the sniper to to the factory intake manifold and manifold to the head ports for smooth flow
I am having issues with the idle. On cold start the RPM immediately jumps to 1700 RPM and stays there even after the engine warms up, I have to shut...
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Unplug the IAC and see if the issue changes. When I had an idle air control valve fail on my XJ, I had to drive with it unplugged until a new one...
After a year sitting and getting the Jeep together again I got it fired up on a 2bbl sniper with ignition box and distributor. It’s all...
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Update: Napa says my alternator regulator is bad and I need a new alternator because there should not be a backfeed. Is this napa trying to sell me a...
Installing Holley hyperspark distributor on my 71 wagoneer with a Buick 350. My maintenance manual says the distributor turns clock wise. So does the...
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“Static timing” in the sniper system locks the timing while you check timing. Once you leave that screen static timing goes away and then your normal...
I had been contemplating on what to do with my grand wagoneer for a couple years. Back story is my grandfather bought it used in 1993 and drove it...
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Update. Been driving it around a fair bit. Did a drive yesterday. Mostly highway 55-60 mph going from 500ft to 1500ft with about 300lb of gear in the...
So when I am cruising down the road all fat and happy, truck is warm and radio on doing 60MPH, all of a sudden no response from fuel and it acts like...
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So to close this thread out from my original post. I called Ryan and BJ's and went back to a carburetor. It starts every time and runs great!
Just bit the bullet on a holly system now just waiting for it to be deluvered
here are the parts needed for a stock 360 with a mild rv cam installed...
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Thanks for taking the time to reply. Mine is a 71 with a buick 350 so mine might be a bit different but I’ll check to see if I can do your method....
I'm installing a Holley sniper 2gc on my 71wagoneer. I'm also using the Holley in tank fuel pump with a return line. I'll use Earls vapor guard lines...
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I saw that you ran your fuel lines across the drivers side valve cover. I was thinking going from the back of the block might be less heat, unless...
I'm wanting to go to efi on my 4.2. I really like the Performance Fuel injection system offers for the money. Has anyone used them? The other part of...
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I looked into this system along with a few others using almost the same components, this is a cobbled together rehash of gm parts most vintage 1988-...
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