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#1 |
Registered User
Join Date: Nov 2017
Location: Houston, TX
Posts: 14
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Re: Speed Engineering LS Swap Headers Findings
I'm going to get a set for my install in December (using the Tejas motor and transmission mount). I've emailed Speed and got a response very quickly (some would say... "speedy").
![]() Not sure yet on whether to go with the shorty headers or the long headers. Shorty has v-band and I am installing in a C10 longbed... and maybe could repurpose them for a turbo install later. However, long headers might be better overall/top end, are closer to equal length, look fancy... and I may never go turbo and should just forget about pipe dreams. Decisions, decisions. |
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#2 |
Registered User
Join Date: Jan 2013
Location: Imperial, MO
Posts: 999
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Re: Speed Engineering LS Swap Headers Findings
I'd choose the "best of both worlds" route and weld V-bands onto the longtubes.
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#3 |
Registered User
Join Date: Nov 2017
Location: Houston, TX
Posts: 14
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Re: Speed Engineering LS Swap Headers Findings
Mine arrived today. Unfortunately the box was beaten up and one of the collectors has a dent in it. Not irreparable but not necessarily something I wanted to do either.
They need to improve their packing it seems. |
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#4 |
Registered User
Join Date: Jan 2013
Location: Imperial, MO
Posts: 999
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Re: Speed Engineering LS Swap Headers Findings
Been there.
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#5 |
Registered User
Join Date: Nov 2017
Location: Houston, TX
Posts: 14
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Re: Speed Engineering LS Swap Headers Findings
Methinks it is time for them to invest in some polystyrene donuts. I got off lucky compared to your box. That's a beating.
Update: I heard back from them and they told me to fix it with a crescent wrench. Not a big deal, but perhaps an offer of free shipping or discounted v-band flanges would have been nice. For now, I would avoid ordering from them until they get their packaging situation fixed OR unless you are willing to pay for headers that will probably have some sort of damage when they arrive. Last edited by PhilistineAu; 11-13-2017 at 02:56 PM. |
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#6 |
Registered User
Join Date: Oct 2016
Location: FWB Fl
Posts: 14
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Re: Speed Engineering LS Swap Headers Findings
Those longtubes look great! Im stuck between the mid length and the longtube for my ls swap in my 71. When you get time can you post a pic of the longtube where it hangs below the frame, but a little farther away from the truck. Trying to get an idea what they look like from a distance.
Nic |
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#7 |
Registered User
Join Date: Nov 2017
Location: Houston, TX
Posts: 14
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Re: Speed Engineering LS Swap Headers Findings
Absolutely. My engine won’t go in for at least another month though, but I will get you the photo. When I talked to them they assured me the long tube headers should clear the 6L90e, but using the Tejas Steelworks mounts which lift the engine may create some spacing issues.
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#8 |
A guy with a truck
Join Date: Sep 2005
Location: Germany, for now
Posts: 5,920
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Re: Speed Engineering LS Swap Headers Findings
Here’s my fitment with Dropmember version 7, super happy with these:
__________________
-Chris Instagram _elgringoloco_ '70 Short-Wide How to: Ruin a perfectly good C10 ‘70 Blazer ConversionHow To: Ruin a Perfectly Good 4wd '72 Highlander How To: Ruin a Perfectly Good K/5 (SOLD) '72 Blazer 2WD How to: Ruin a perfectly good Blazer (SOLD) '05 Yukon Daily Driven (not so stock) Yukon (SOLD) ‘07 Yukon Denali (daily) Members met list: SCOTI, darkhorse970, 67cheby, 67cheby'sGirl, klmore, porterbuilt, n2billet, Fastrucken, classicchev, Col Clank, GSFMECH, HuggerCST, Spray-Bomb, BACKYARD88, 5150, fine69, fatbass, smbrouss70, 65StreetCruiser, GAc10boy |
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#9 | |
Registered User
Join Date: Oct 2012
Location: Fresno, CA
Posts: 119
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Re: Speed Engineering LS Swap Headers Findings
Quote:
Nice looking setup by the way!
__________________
Chuck Instagram: c_lo_garage Check out my 1966 C10 project "El Viejito" here: http://67-72chevytrucks.com/vboard/s...d.php?t=674614 |
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#10 |
A guy with a truck
Join Date: Sep 2005
Location: Germany, for now
Posts: 5,920
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Re: Speed Engineering LS Swap Headers Findings
They are the C10 specific (same part number as Chevelle) LS swap long tubes. The reason they work so well is due to the dropmember raising the engine. Stock engine location, I think the collectors will hang down 1.5” or so, too much for a heavily lowered or bagged truck, in my opinion.
__________________
-Chris Instagram _elgringoloco_ '70 Short-Wide How to: Ruin a perfectly good C10 ‘70 Blazer ConversionHow To: Ruin a Perfectly Good 4wd '72 Highlander How To: Ruin a Perfectly Good K/5 (SOLD) '72 Blazer 2WD How to: Ruin a perfectly good Blazer (SOLD) '05 Yukon Daily Driven (not so stock) Yukon (SOLD) ‘07 Yukon Denali (daily) Members met list: SCOTI, darkhorse970, 67cheby, 67cheby'sGirl, klmore, porterbuilt, n2billet, Fastrucken, classicchev, Col Clank, GSFMECH, HuggerCST, Spray-Bomb, BACKYARD88, 5150, fine69, fatbass, smbrouss70, 65StreetCruiser, GAc10boy |
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#11 |
Registered User
Join Date: Dec 2017
Location: Niceville Florida
Posts: 347
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Re: Speed Engineering LS Swap Headers Findings
I ordered a set of the long tube headers and when they arrive i will post some pics. 65 c10 with 5.3 using speed engineering motor mounts.
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#12 |
Registered User
Join Date: Jan 2013
Location: Imperial, MO
Posts: 999
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Re: Speed Engineering LS Swap Headers Findings
I posted pics of that same setup above.
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#13 |
A guy with a truck
Join Date: Sep 2005
Location: Germany, for now
Posts: 5,920
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Re: Speed Engineering LS Swap Headers Findings
Eyeballing, they look like 3/8” flanges. I imagine they are Asia-built, but very nicely done
__________________
-Chris Instagram _elgringoloco_ '70 Short-Wide How to: Ruin a perfectly good C10 ‘70 Blazer ConversionHow To: Ruin a Perfectly Good 4wd '72 Highlander How To: Ruin a Perfectly Good K/5 (SOLD) '72 Blazer 2WD How to: Ruin a perfectly good Blazer (SOLD) '05 Yukon Daily Driven (not so stock) Yukon (SOLD) ‘07 Yukon Denali (daily) Members met list: SCOTI, darkhorse970, 67cheby, 67cheby'sGirl, klmore, porterbuilt, n2billet, Fastrucken, classicchev, Col Clank, GSFMECH, HuggerCST, Spray-Bomb, BACKYARD88, 5150, fine69, fatbass, smbrouss70, 65StreetCruiser, GAc10boy |
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#14 |
Registered User
Join Date: Sep 2013
Location: Evansville, IN
Posts: 1,774
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Re: Speed Engineering LS Swap Headers Findings
Looks like I may have to order a set for my Level 1 DM truck. For once I don’t have to buy the most expensive piece out there.
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__________________
Ryan 1967 Red Stepside..."Laymond" http://67-72chevytrucks.com/vboard/s...40#post6441840 1972 Medium Olive SWB-Chester http://67-72chevytrucks.com/vboard/s...d.php?t=759628 1967/71 Blue SWB C10..SOLD 1977 SWB K10..my grandpa's.....never should have sold |
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#15 |
Registered User
Join Date: May 2016
Location: Oregon
Posts: 97
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Re: Speed Engineering LS Swap Headers Findings
Here they are in my 79 Blazer. They clear the frame just fine, but require cutting on the passenger side of the 4l80E bellhousing. I had the same packaging issues some other people have mentioned, my driver side collector is damaged. I've had them bolted up to an LS3 with a 6L80E in the same truck and had no clearance issues whatsoever.
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#16 |
Senior Member
![]() Join Date: Sep 2007
Location: Albuquerque NM
Posts: 7,848
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Re: Speed Engineering LS Swap Headers Findings
update. installed mine last weekend in my 67 with a 4-6 drop, 5.3 dbw with 4l60. fit perfect, no trimming, no cutting no fabbing. nada... cleared the tranny and the starter no problem.
only part that sucked was I had to remove my brake master cylinder and booster to get the driver side in, now I gotta re bleed em again.
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1967custom |
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#17 |
Registered User
Join Date: May 2014
Location: San Diego, CA
Posts: 547
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Re: Speed Engineering LS Swap Headers Findings
I bought a set of the long tube 1 3/4 based on this thread.
5.3 with 4l65e and 3/5 drop in the truck. The box showed up a little banged up but I just grabbed a crescent wrench and straighten things out. The headers fit with no issues. I reused the factory trans cooler hard lines, so I needed to make some "adjustments" to the line to get them not to touch. I installed the passenger side from the top. Drivers side from the bottom.
__________________
Project Engine Stand 1972 SWB conversion: http://67-72chevytrucks.com/vboard/s...d.php?t=673914 1970 Nova: http://67-72chevytrucks.com/vboard/s...d.php?t=708161 |
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#18 |
Almost Satisfied
![]() Join Date: Mar 2002
Location: Springfield, MO
Posts: 2,932
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Re: Speed Engineering LS Swap Headers Findings
I purchased the upgraded gaskets with mine, but not sure which gasket goes against the block and which one goes against the header. Haven't looked at them that closely, but it dawned on me while looking through this thread. Anyone have a pic or explanation on how I should install them? Thanks,
__________________
1971 C10 Stepside. LSx 6.0 with BTR Stage IV, Speed Engineering Headers, 4L80e transmission w/3200 Circle-D Stall. 3.73. Posi. Purchased this truck when I was 17. I started the rebuild (or take apart) in 1993. I have drug it around all over the country in pieces. Finally back on the road in 2021. "I can't complain, but sometimes I still do. Life's been good to me so far." |
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#19 | |
I'm just glad to be here!
Join Date: Jan 2008
Location: Longview, TX
Posts: 4,788
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Re: Speed Engineering LS Swap Headers Findings
Quote:
If you got sent 4 gaskets, then the upgraded ones should be the multi-layer steel versions. Without seeing what you have, The multi-layer gaskets should not have a specific side that goes against the head or the header flange...Just use one multi-layer gasket between the head and the header flange.
__________________
Karl ![]() 1965 Chevy Stepside(Grandpa's Old Blue) and (July 2015 Shop Build!)(2020, the Saga Continues) http://67-72chevytrucks.com/vboard/s...d.php?t=372424 The LST Challenge: http://67-72chevytrucks.com/vboard/s...=1#post7812257 Korbin's 1st Square: "Sunburn" http://67-72chevytrucks.com/vboard/s...d.php?t=418618 1985 GMC Sierra: "White Trash", Korbin's 2nd now... http://67-72chevytrucks.com/vboard/s...d.php?t=632305 Henry - 1984 Chevrolet, Owen's 1st Square |
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#20 |
Almost Satisfied
![]() Join Date: Mar 2002
Location: Springfield, MO
Posts: 2,932
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Re: Speed Engineering LS Swap Headers Findings
Thanks aggie. I hadn't seen a two gasket set up, so I was confused. I guess they just sent the standard ones and the upgraded ones.
__________________
1971 C10 Stepside. LSx 6.0 with BTR Stage IV, Speed Engineering Headers, 4L80e transmission w/3200 Circle-D Stall. 3.73. Posi. Purchased this truck when I was 17. I started the rebuild (or take apart) in 1993. I have drug it around all over the country in pieces. Finally back on the road in 2021. "I can't complain, but sometimes I still do. Life's been good to me so far." |
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#21 | |
I'm just glad to be here!
Join Date: Jan 2008
Location: Longview, TX
Posts: 4,788
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Re: Speed Engineering LS Swap Headers Findings
Quote:
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__________________
Karl ![]() 1965 Chevy Stepside(Grandpa's Old Blue) and (July 2015 Shop Build!)(2020, the Saga Continues) http://67-72chevytrucks.com/vboard/s...d.php?t=372424 The LST Challenge: http://67-72chevytrucks.com/vboard/s...=1#post7812257 Korbin's 1st Square: "Sunburn" http://67-72chevytrucks.com/vboard/s...d.php?t=418618 1985 GMC Sierra: "White Trash", Korbin's 2nd now... http://67-72chevytrucks.com/vboard/s...d.php?t=632305 Henry - 1984 Chevrolet, Owen's 1st Square |
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#22 |
hillbilly
Join Date: Apr 2007
Location: hampton,tn
Posts: 459
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Re: Speed Engineering LS Swap Headers Findings
Are the upgraded gaskets gm stock manifold mls gaskets?
__________________
-1962 C-10 |
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#23 |
Registered User
Join Date: Apr 2014
Location: Azle,Texas
Posts: 2,248
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Re: Speed Engineering LS Swap Headers Findings
I am wondering the same thing. I ordered a set last night and added on the "upgraded gaskets". When they arrive I will post pics of theirs VS. stock GM.gaskets, although I am running a 5.3 LT from a 2014 truck, so they may be different than yours anyway... I dont know what setup you are going with.
Brian |
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#24 |
hillbilly
Join Date: Apr 2007
Location: hampton,tn
Posts: 459
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Re: Speed Engineering LS Swap Headers Findings
Ok i will be waiting on your reply
__________________
-1962 C-10 |
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#25 |
Registered User
Join Date: Dec 2009
Location: Kirkland, WA
Posts: 1,302
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Re: Speed Engineering LS Swap Headers Findings
Has anyone used the f-body long tube speed engineering headers on a C10? I have an fbody oil pan and want to find longtubes that don't have below the pan much if at all.
__________________
1968 LWB C20 / AC / Wood Bed |
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