Speed Engineering longtubes lowered - The 1947 - Present Chevrolet & GMC Truck Message Board Network

**72tutone** · 06-21-2019, 09:58 AM

Ive done a few searches, but havent quite found a shot of a lowered C10 with the speed engineering long tubes.
I'm 4/6 ECE, and my old sbc with doug thorleys were well below the frame.

My concern is pulling the trigger on the 1 3/4 LT from them. If they dont fit, its 20% restock. I'm fairly certain the shorties/mid will fit with minor alterations.

I would much rather have the LT's. Anyone 3/5 or 4/6 drop have any pics?

Thanks!

**1971Stepside** · 06-21-2019, 11:11 AM

I have the 4/6 ECE drop and the long tubes. You will have no issues.

**72tutone** · 06-21-2019, 12:52 PM

Quote:

Originally Posted by 1971Stepside

I have the 4/6 ECE drop and the long tubes. You will have no issues.

Looks like a lot of clearance.
How about your mounts? I'm running CPP adjustables with their mounts.

cornerstone · 06-21-2019, 10:44 PM

Sorry no pics at the moment but my 72 has the long tubes and they tuck up very high. 1971Stepside picture accurately depicts what I have.

**72tutone** · 06-21-2019, 11:15 PM

L

Quote:

Originally Posted by cornerstone

Sorry no pics at the moment but my 72 has the long tubes and they tuck up very high. 1971Stepside picture accurately depicts what I have.

What drop are you running? It seems like the ls headers sit higher than the old sbc headers?
Coincidence? Not sure. But if they dont hang below the frame rails I'm pulling the trigger

For the record these are the 1 3/4? Not 1 7/8 shouldn't really matter but curious

**1971Stepside** · 06-25-2019, 05:22 PM

I'm running the POL stands on my application.

06-21-2019, 09:58 AM	#1
72tutone Senior Member Join Date: May 2010 Location: St.Louis Posts: 637	Speed Engineering longtubes lowered Ive done a few searches, but havent quite found a shot of a lowered C10 with the speed engineering long tubes. I'm 4/6 ECE, and my old sbc with doug thorleys were well below the frame. My concern is pulling the trigger on the 1 3/4 LT from them. If they dont fit, its 20% restock. I'm fairly certain the shorties/mid will fit with minor alterations. I would much rather have the LT's. Anyone 3/5 or 4/6 drop have any pics? Thanks!

06-21-2019, 11:11 AM	#2
1971Stepside Almost Satisfied Join Date: Mar 2002 Location: Springfield, MO Posts: 2,928	Re: Speed Engineering longtubes lowered I have the 4/6 ECE drop and the long tubes. You will have no issues. Attached Images __________________ 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."

06-21-2019, 10:44 PM	#4
cornerstone Registered User Join Date: Apr 2014 Location: Azle,Texas Posts: 2,248	Re: Speed Engineering longtubes lowered Sorry no pics at the moment but my 72 has the long tubes and they tuck up very high. 1971Stepside picture accurately depicts what I have. __________________ Brian 1972 C10, "Loyd", LWB to SWB, 5.3, L83/6L80e, 4:11 Tru Trac, Air Ride, VA, DD, 20" Coys, 4 wheel disc, A quick LS swap turned into a 6 year frame off resto-mod.

06-25-2019, 05:22 PM	#6
1971Stepside Almost Satisfied Join Date: Mar 2002 Location: Springfield, MO Posts: 2,928	Re: Speed Engineering longtubes lowered I'm running the POL stands on my application. __________________ 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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