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HEADERS FOR A 91 G-20 WITH A 305?
#788460 February 16th 2022 6:24 pm
Joined: Aug 2009
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soundhd Offline OP
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Been looking around for headers for my 91 G-20 (305; automatic). Thought I found a set at Gibson but contacted them and they said they would not fit the van.....so I am asking if anyone knows of a set that will fit my van without "ANY" modifications of any sort.... bolt on clean nice & easy....would rather have a short or medium set.....feel that long headers might cause problems.

thanks

UPDATE (sorry…should of updated this sooner) Anyway headman had a set that fit perfectly (well for the most part…LOL)…had to have the right side of the rear trans support modified a bit….it was blocking the location where the exhaust pipe runs through. (also used a set of heat sleeves for the plug wires but so far so good)

Last edited by soundhd; June 21st 2022 3:37 am.

Recently purchased (10-2021) a 1991 Chevy G-20 “Shorty”. Past vans are a 1976 Chevy G-10 (purchased new in 1976 & sold in 1995). A 1978 Chevy G-20 Shorty purchased in 2010 and sold in 2015.
Re: HEADERS FOR A 91 G-20 WITH A 305?
soundhd #788464 February 16th 2022 8:22 pm
Joined: Feb 2002
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Did you try Summit?


Jim & Lucy Newkirk
1965 Chevy Bad Influence
1981 Chevy-the Love Shack
2012 Chevy Van , 2020 chevy van
2020 Chevy van Sapphire Sweet.
Club Vannerz.
vanninvanner@comcast.net
Re: HEADERS FOR A 91 G-20 WITH A 305?
soundhd #788507 February 18th 2022 9:49 am
Joined: Mar 2011
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addict
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I struggled pulling the trigger on a set headers. You just have to go on the performance sites and just use make model. Look at the reviews and what other trucks also fit the same header. I picked a set that fit allot of years and models, even 2 and 4WD. Picking mid's and shortie's may actually create more problems, full length will be easier to build an exhaust.. With the help of computers, the amount of knowledge about the subject, the feedback the internet provides Fitting headers is not that scary as it was.. I believe they streamlined the process and reduced the overall number off parts. The set I picked fit 73-97 trucks. You have the late model belt set up so you should not have the bracket problems with the old V belt set up. If you buy something weird you can only blame yourself. If someone stated 10 years ago 76 camaro headers fit keep in mind they could could have changed since then. Try sticking with C/K G P truck, avoid odd ball S truck and such. Stick with the truck family.

Re: HEADERS FOR A 91 G-20 WITH A 305?
soundhd #791521 May 25th 2022 6:08 pm
Joined: May 2022
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stranger
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I have a 89 g20 and used ‘hooker’ block huggers short.

Fit really Easily and no mods. EBay special. I’ll see if I can find the Ad

https://www.ebay.co.uk/itm/31255175...r=&widget_ver=artemis&media=COPY

Last edited by MrMoss; May 25th 2022 6:10 pm.
1 member likes this: frscke1
Re: HEADERS FOR A 91 G-20 WITH A 305?
soundhd #792342 June 21st 2022 2:04 am
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If you're still running the TBI you'll need to add a place to mount the O2 sensor, too.


1994 G20
2002 Express, sitting dead
1988 G20 conversion, stored
Re: HEADERS FOR A 91 G-20 WITH A 305?
soundhd #792347 June 21st 2022 3:31 am
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soundhd Offline OP
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Found an an adapter/collector that had the sensor fitting already in place….so far so good….


Recently purchased (10-2021) a 1991 Chevy G-20 “Shorty”. Past vans are a 1976 Chevy G-10 (purchased new in 1976 & sold in 1995). A 1978 Chevy G-20 Shorty purchased in 2010 and sold in 2015.
Re: HEADERS FOR A 91 G-20 WITH A 305?
soundhd #792348 June 21st 2022 6:50 am
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Thats cool!


Jim & Lucy Newkirk
1965 Chevy Bad Influence
1981 Chevy-the Love Shack
2012 Chevy Van , 2020 chevy van
2020 Chevy van Sapphire Sweet.
Club Vannerz.
vanninvanner@comcast.net

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