1980 c30 headers

[coachdtierney54]

These are the only pics from the job.

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[ajd89]

Here's a list of whats available through Summit Racing.
https://www.summitracing.com/search/department/exhaust/section/headers/part-type/headers/engine-size/7-4l-454/engine-family/chevy-big-block-mark-iv/year/1985/make/chevrolet/model/c30?N=4294950302+4294951398+4294948820+4294945642+4294924068+4294951383+4294951380+4294949498&PageSize=100&SortBy=Default&SortOrder=Ascending
This number "EO D-540" is the Executive Order for California performance parts, in this case the set of headers shown above in post #11.

I was wondering about that cause that's all I could find on Google with that number! Im glad to know. So those are the d303y? The one review on there said guy had a 87 k30 and he had to cut the frame on the drivers side. I looked at mine and it doesn't seem to be cut at all.

 

[coachdtierney54]

I never had to cut the frame

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[Roldan]

Thanks for all the knowledge, I saw the reviews on summit for some of the headers suggested and one of them had a picture of where the guys said he had to cut the frame but unless his motor mounts where complete garbage and the motor moves a mile under load there was no need from what I could tell, but after consideration I think I am leaning towards shorty headers just because I won't have to re do my turn downs as it is already a new exhaust system and I would hate to have to redo something I already spent so much time on

 

[Honky Kong jr]

Thanks for all the knowledge, I saw the reviews on summit for some of the headers suggested and one of them had a picture of where the guys said he had to cut the frame but unless his motor mounts where complete garbage and the motor moves a mile under load there was no need from what I could tell, but after consideration I think I am leaning towards shorty headers just because I won't have to re do my turn downs as it is already a new exhaust system and I would hate to have to redo something I already spent so much time on

Did you look at Gibson direct fit headers?

 

[Roldan]

Did you look at Gibson direct fit headers?

I did and while I was comparing I actually found some decently priced hedman headers that where very similar in quality, do you guys have a preference between steel and stainless? Just thought I'd ask in case there is any issue with anything such as heat soak to the starter or anything like that

 

[Honky Kong jr]

I did and while I was comparing I actually found some decently priced hedman headers that where very similar in quality, do you guys have a preference between steel and stainless? Just thought I'd ask in case there is any issue with anything such as heat soak to the starter or anything like that

Mine have that HPC coating or what ever they call it these days.

 

[74 Shortbed]

Can't hardly beat Hedman for fit or Thorleys, and they are "USA" made, stainless is nice they don't rust but spendy..