Known Header Clearance

[FAKKY]

So my LQ4 truck headers (just and I mean just) hit the upper frame rail.
I dont want to cut and reweld the angle on headers or cut the frame.

Heres a link showing measurement.




Anyone know of any decent "huggers" that have better clearance than this - especially at the flange position or near there (eg lower ) .

Basically less than 4.5" furtherest point from header mount (inside) where it attached to head itself.

[short71]

I used speed engineering ls swap shorty headers, all kinds of room and there cheep! Might not be the best for performance, but they fit great.

[FAKKY]

Originally Posted by short71

I used speed engineering ls swap shorty headers, all kinds of room and there cheep! Might not be the best for performance, but they fit great.

IN what truck ?

Any chance you can grab a measurement.

[short71]

I can grab a measurement this weekend, it's in a 71 c10

[FAKKY]

Thanks.
I ran out just now to buy some 2000 C5 headers - but they measured 5" also .... so basically the same as my truck headers.

Looked like this

https://www.ebay.com/itm/C5-Corvette...-/222695867830


Didnt think anything looked like it would have more clearance than that - but its really not the header tubes themselves rather the flange.

So no beuno.

[FAKKY]

Thin the two speed engineering options are

https://www.ebay.com/itm/C-10-LS-Che...sid=m570.l1313

or these that go straight down - so less header tube - but thats a larger flange

https://www.ebay.com/itm/LS-Universa...itleDesc=0%7C0

[short71]

I'm running the top ones. I'll grab measurement when I get back to the truck this weekend.

[gringoloco]

Holley manifolds. Summitracing and CPP also have knock off versions

[71cadc10]

gen V Camaro may fit with no cutting, if you want a stock manifold that fits.
2010+
I can get a measurement for you

[71cadc10]

pics here...this is 2010 Camaro manifold mounted on my 71.
similar to your measurement, from head flange to outer point is just over 3 1/4" Maybe 3.5"

the flange is 2 bolt vs. 3, which doesn't stick out so far.

[FAKKY]

^^^ thanks for measurements and ideas on he GTO headers

I managed to get a set of 2005 GTO manifolds like these for 0.99c and $25 shipping on ebay.

Will see if they actually arrive given the low price as well as fiment and clearance of the steering linkage/frame and trans. Hoping should be good.

[dayj1]

Originally Posted by FAKKY

^^^ thanks for measurements and ideas on he GTO headers

I managed to get a set of 2005 GTO manifolds like these for 0.99c and $25 shipping on ebay.

Will see if they actually arrive given the low price as well as fiment and clearance of the steering linkage/frame and trans. Hoping should be good.

The manifolds pictured above are Gen 5 Camaro. If you really got GTO manifolds, the biggest issue is they most likely won't clear your engine mounts. The Camaro and GTO are totally different from each other. I hope that was just a typo on the GTO part.

[FAKKY]

Dang it - that probably explains why they were so cheap.

For some reason I thought they would be the same (headers) or pretty similar based on manifold pics.

I will be fabricating my own motor mounts most likely - so not sure if that will help ....... but otherwise Ill smack myself in the head in the head an look for some Camaro headers.

Thanks guys !!

[71cadc10]

yes the GTO are totally different. I had several sets of those, scrapped them a while back.
the 2010 to 2015 camaro is what I have pictured.

the camaro has that 2 bolt flange so it doesn't protrude out as far as the 3 bolt flange stuff.

[BIGglaSS]

I also tried a set of GTO manifolds with no success.

[FAKKY]

Thanks guys
Away in mountains with not much wifi access.
Well - plenty of access just not by computer much.

Ill post picks wehen I get back in about 7-8 days of the headers (GTO). If they dont work as it sounds like they wont ...... Ill check out trying to source Camaro headres for teh clearance - else go with the turn down ram style --- just due to not finding many offerings for camaro headers.

Or at least a price ID like to pay

https://www.ebay.com/itm/LS3-V8-EXHA...itleDesc=0%7C0

[Tork?]

I have a spare set of gen 5 Camaro manifolds I can sell. Going rate on the Camaro forums is $75-100+shipping. You can PM me when you're looking and I can send pics if you want.