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What headers may fit to Chevy G30 with 350cid?
#590942 November 05th 2012 12:02 pm
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I have G30 van 350cid stock engine.
According Summit Racing, Hedman Street Hedders (http://www.summitracing.com/parts/hed-69066) may fit to my van. This is Silver ceramic coated, 3" collector diameter. I'm going to use headers with Walker mufflers (3" inlet\2.5" outlet).
Is it coorect choice for my 350cid engine?

The second choice is Hooker Competition Headers (http://www.summitracing.com/parts/hok-2459hkr) - it's painted, 2.5" collector diameter. It's cheaper, but is is good like ceramic coated headers?



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Re: What headers may fit to Chevy G30 with 350cid?
wbud #590965 November 05th 2012 2:10 pm
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The Hedman headers fit. I have them on my van
hedman headers


Colin
aka "Fatvanman"
1975 Chevy G20 Shorty "Lunchbox"

"The great ones never die, they just get older, fatter and drive better vans!"

http://www.cardomain.com/ride/3913766/1975-chevrolet-van
Re: What headers may fit to Chevy G30 with 350cid?
wbud #590966 November 05th 2012 2:10 pm
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which year is your van. on summit racing "G30 VAN" is from 70-74 and "G30" is from 75-2002 so watch which ones you order.

so for my 94, according to summit racing Headders these are the ones i need, but im a bit skeptical of the reliability of the website filtering. tho summit seems to be the most accurate.

Last edited by phils; November 05th 2012 2:16 pm.

1994 5.7l Chevy G30 LWB & 2001 Landrover Defender 90 Truck Cab


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Re: What headers may fit to Chevy G30 with 350cid?
wbud #590969 November 05th 2012 2:21 pm
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My van is a 1975 G20 with a lot of 1994 parts thrown in. I had to notch the 1994 transmission crossmember to allow clearance for the exhaust, but that was it. And as I have a slightly smaller doghouse than you do there shouldn't be a problem for you. I have plenty of pics posted on my cardomain page if you click the link at the bottom.


Colin
aka "Fatvanman"
1975 Chevy G20 Shorty "Lunchbox"

"The great ones never die, they just get older, fatter and drive better vans!"

http://www.cardomain.com/ride/3913766/1975-chevrolet-van
Re: What headers may fit to Chevy G30 with 350cid?
wbud #590985 November 05th 2012 4:55 pm
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Mines a '79 G30 and I have Hedmans on it. I bought them from the UK too they were 130 from customville . They are not ceramic coated though.


79 chevy G30 cobra camper conversion.
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Re: What headers may fit to Chevy G30 with 350cid?
wbud #591082 November 06th 2012 2:26 am
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yeah, mines is '79 too.

I'm afraid, painted headers become rusty very fast.
Do you feel diffirence between stock collectors and headers?




Russian Van Club "Original Vanners" since 2011
http://originalvanners.ru/
Re: What headers may fit to Chevy G30 with 350cid?
wbud #591090 November 06th 2012 7:45 am
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Go ceramic coated....painted headers were never intended for year round use through all weather conditions...ceramics will last 3-4 times as long.....


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Re: What headers may fit to Chevy G30 with 350cid?
fatvanman #591091 November 06th 2012 7:51 am
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Originally Posted by fatvanman
The Hedman headers fit. I have them on my van
hedman headers


vanman did you fit them yourself? ive heard you have to lift the van up a bit to get the angle to get them in, true?


1994 5.7l Chevy G30 LWB & 2001 Landrover Defender 90 Truck Cab


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Re: What headers may fit to Chevy G30 with 350cid?
wbud #591733 November 11th 2012 10:39 am
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Holy Moly those are pricey! Obviously I haven't priced headers in a long time!


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1995 Chevrolet G20, Coachman conversion....need to update my pic!
Re: What headers may fit to Chevy G30 with 350cid?
wbud #591742 November 11th 2012 12:37 pm
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Originally Posted by wbud

Do you feel diffirence between stock collectors and headers?




Oh yes, you do feel the difference. The stock manifolds really do restrict flow. It's like the difference between a drinking straw and a fire hose. And they aren't really difficult to install. You need to do it from underneath the van as it can't be done from up top, so you will need to lift the front up.


Colin
aka "Fatvanman"
1975 Chevy G20 Shorty "Lunchbox"

"The great ones never die, they just get older, fatter and drive better vans!"

http://www.cardomain.com/ride/3913766/1975-chevrolet-van
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