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#1 | |
Registered User
Join Date: Oct 2010
Location: Independence,KS
Posts: 1,477
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Re: Inline 250 - T3 Turbo - w/ Video
Quote:
![]() Thanks for the help there! |
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#2 | |
Registered User
Join Date: Feb 2009
Location: Nashville TN
Posts: 294
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Re: Inline 250 - T3 Turbo - w/ Video
Quote:
If I can recommend, I would get a Offy 5416 and run a Holley 2300 500cfm carb, and look into a bullet style muffler (straight through design). The turbo quiets down the exhaust note. Good Luck Shad
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Build Threads: "JED" 66 GMC C1000 http://inliners.org/ubbthreads/ubbth...1857#Post61857 "Cropwell" 66 C10 http://67-72chevytrucks.com/vboard/s...d.php?t=587639 |
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#3 |
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Join Date: Jun 2012
Location: Austin, Texas
Posts: 59
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Re: Inline 250 - T3 Turbo - w/ Video
We demand full throttle footage! I would love to see a trend of turbo'd 60-66's. What are you doing for fuel pump?
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#4 | |
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Join Date: Feb 2009
Location: Nashville TN
Posts: 294
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Re: Inline 250 - T3 Turbo - w/ Video
Quote:
Top side: I drilled and tapped a brass nipple on the 45deg edge. This is the bottom side of the fuel pump. The pressure from the boost pushes against the bottom side of the rubber diaphragm inside.
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Build Threads: "JED" 66 GMC C1000 http://inliners.org/ubbthreads/ubbth...1857#Post61857 "Cropwell" 66 C10 http://67-72chevytrucks.com/vboard/s...d.php?t=587639 |
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#5 | |
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Join Date: Jun 2011
Location: Monroe, WI
Posts: 1,415
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Re: Inline 250 - T3 Turbo - w/ Video
Quote:
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Adam My 1967 C10 - Turbo 250 Build Thread http://67-72chevytrucks.com/vboard/s...d.php?t=485843 (608) 214-8706 |
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#6 |
Registered User
Join Date: Feb 2009
Location: Nashville TN
Posts: 294
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Re: Inline 250 - T3 Turbo - w/ Video
I finally scored a OFFY 5416 intake, from a member here on the board, thanks Steve.
I finally got the chance to dig in today. The turbo looks in great shape, as well as the up and down pipes. When I took off the intake/exhaust I was revealed an issue. I had noticed oil/gas stains coming down from that area and running down the block. I kept on trying to clean it up but could never see the source. It looks as though the intake was not tight against the block and fuel was leaking from the intake and down the block. Probably caused from running rich and boost pressure. ![]() I am taking my Offy and exhaust manifold in to get resurfaced, hopefully that will correct the issue. Boucher' and also an artsy pic of my turbo. Praise Garrett!
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Build Threads: "JED" 66 GMC C1000 http://inliners.org/ubbthreads/ubbth...1857#Post61857 "Cropwell" 66 C10 http://67-72chevytrucks.com/vboard/s...d.php?t=587639 |
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#7 |
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Join Date: Jun 2011
Location: Monroe, WI
Posts: 1,415
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Re: Inline 250 - T3 Turbo - w/ Video
Looks like you have your work cut out for ya! How long at a time were you running your truck? I'm wondering if on short trips the fuel was condensating and the intake didnt have time to heat up completely to evap back off...
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Adam My 1967 C10 - Turbo 250 Build Thread http://67-72chevytrucks.com/vboard/s...d.php?t=485843 (608) 214-8706 |
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#8 |
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Join Date: Jun 2011
Location: Monroe, WI
Posts: 1,415
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Re: Inline 250 - T3 Turbo - w/ Video
I actually found your url link took me a couple min but I found it
![]() http://67-72chevytrucks.com/vboard/s...d.php?t=493462
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Adam My 1967 C10 - Turbo 250 Build Thread http://67-72chevytrucks.com/vboard/s...d.php?t=485843 (608) 214-8706 |
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#9 |
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Join Date: Jun 2011
Location: Monroe, WI
Posts: 1,415
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Re: Inline 250 - T3 Turbo - w/ Video
Also what kind of fuel are you running and does it have ethanol or lead in it? Ethanol and lead can cause deposits that are white similar to that is on your turbine fins, but if your not running either one, that tells me your running WAY to lean and would also explain why your running hot.
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Adam My 1967 C10 - Turbo 250 Build Thread http://67-72chevytrucks.com/vboard/s...d.php?t=485843 (608) 214-8706 Last edited by longbed67; 12-11-2012 at 01:34 PM. |
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#10 |
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Join Date: Oct 2012
Location: Tulsa, OK
Posts: 108
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Re: Inline 250 - T3 Turbo - w/ Video
maybe I missed it, what intake were you running originally with the Holley 350? I am thinking of upgrading my Inline 6 with a Holley 350 but wasn't sure if I had to change out my stock intake also.
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#11 | |
Registered User
Join Date: Feb 2009
Location: Nashville TN
Posts: 294
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Re: Inline 250 - T3 Turbo - w/ Video
Quote:
I milled the original 1bbl intake to the size of a Holley 2bbl. It was opening up a can of works though... intake sleeve, voids, JB weld to fill. You can buy a 2bbl to 1bbl adapter. Naturally aspirated would be fine, but if I were turbocharging it, just get the Offy from the start. ![]() ![]() ![]()
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Build Threads: "JED" 66 GMC C1000 http://inliners.org/ubbthreads/ubbth...1857#Post61857 "Cropwell" 66 C10 http://67-72chevytrucks.com/vboard/s...d.php?t=587639 |
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#12 | |
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Join Date: Oct 2012
Location: Tulsa, OK
Posts: 108
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Re: Inline 250 - T3 Turbo - w/ Video
Quote:
Thanks for the info. I planned to just do naturally aspirated. Posted via Mobile Device |
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#13 |
Registered User
Join Date: Feb 2009
Location: Charlotte, NC
Posts: 45
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Re: Inline 250 - T3 Turbo - w/ Video
Wow sweet build, subscribing for ideas for my 250!
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CURRENT: '64 Stepside C10 Rat, 250ci Inline 6, 3 spd on Column (Thread) PAST: '67 C10 Stepside, '79 Sierra |
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#14 |
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Join Date: Feb 2008
Location: sacramento california
Posts: 204
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Re: Inline 250 - T3 Turbo - w/ Video
nice, where did you get the spacer for the 2 barrel?
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#15 |
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Location: Deale Md
Posts: 4,663
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Re: Inline 250 - T3 Turbo - w/ Video
good info on a turbo 6
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James 63 GMC V6 4speed carryall 65 chevy swb bbw V8 auto 68 K20 327/4 speed, buddy buckets 2002 GMC CC Dually Duramax 64 GMC lwb 3/4 V6 4speed SOLD 66 GMC swb bbw buddy buckets SOLD IG duallyjams The only thing that stays the same is constant change! |
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#16 |
Registered User
Join Date: Feb 2009
Location: Nashville TN
Posts: 294
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Re: Inline 250 - T3 Turbo - w/ Video
Thanks, good info to know. Those VID about turbo blankets are almost hard to believe.
I found a company PTP turbo shield, that is spoken very highly also. Boucher'
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Build Threads: "JED" 66 GMC C1000 http://inliners.org/ubbthreads/ubbth...1857#Post61857 "Cropwell" 66 C10 http://67-72chevytrucks.com/vboard/s...d.php?t=587639 |
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#17 |
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Join Date: Jun 2011
Location: Monroe, WI
Posts: 1,415
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Re: Inline 250 - T3 Turbo - w/ Video
Oh yeah forgot to add when you install it be prepared for the wrap to smoke the first couple times you run it! yes it will give you a little scare
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Adam My 1967 C10 - Turbo 250 Build Thread http://67-72chevytrucks.com/vboard/s...d.php?t=485843 (608) 214-8706 |
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#18 |
Registered User
Join Date: Feb 2009
Location: Nashville TN
Posts: 294
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Re: Inline 250 - T3 Turbo - w/ Video
HaHa, I installed some wrap on my Chevy II. When I first fired it up, I about schart my pants. No one told me about that!
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Build Threads: "JED" 66 GMC C1000 http://inliners.org/ubbthreads/ubbth...1857#Post61857 "Cropwell" 66 C10 http://67-72chevytrucks.com/vboard/s...d.php?t=587639 |
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#19 |
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Join Date: Feb 2009
Location: Nashville TN
Posts: 294
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Re: Inline 250 - T3 Turbo - w/ Video
I got to shake out JED today with the new goods. A new Offy intake, machined flat intake/exhaust manifolds, new carb base plate, gaskets, turbo blanket, and up/down pipe wrapped.
Much more power, response, smooth transitions. I ran it for around 20min, popped the hood, and could literally put my hand directly on the turbo blanket. I was very impressed. ![]()
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Build Threads: "JED" 66 GMC C1000 http://inliners.org/ubbthreads/ubbth...1857#Post61857 "Cropwell" 66 C10 http://67-72chevytrucks.com/vboard/s...d.php?t=587639 |
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#20 |
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Join Date: Jun 2011
Location: Monroe, WI
Posts: 1,415
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Re: Inline 250 - T3 Turbo - w/ Video
The PTP lava blankets look to be nearly the same as the DEI ones... at a much cheaper price. I would be tempted to give it a try.
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Adam My 1967 C10 - Turbo 250 Build Thread http://67-72chevytrucks.com/vboard/s...d.php?t=485843 (608) 214-8706 |
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#21 |
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Join Date: Jun 2011
Location: Monroe, WI
Posts: 1,415
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Re: Inline 250 - T3 Turbo - w/ Video
Looks stellar! I'm glad it all turned out for you!
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Adam My 1967 C10 - Turbo 250 Build Thread http://67-72chevytrucks.com/vboard/s...d.php?t=485843 (608) 214-8706 |
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#22 |
Registered User
![]() Join Date: Jul 2011
Location: Tennessee
Posts: 404
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Re: Inline 250 - T3 Turbo - w/ Video
Awesome dude! I knew that intake would make a big difference. Awesome work as always my friend. Next step intercooler!
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#23 | |
Registered User
Join Date: Feb 2009
Location: Nashville TN
Posts: 294
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Re: Inline 250 - T3 Turbo - w/ Video
Quote:
If this weather ever breaks, I'll be by. Posted via Mobile Device
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Build Threads: "JED" 66 GMC C1000 http://inliners.org/ubbthreads/ubbth...1857#Post61857 "Cropwell" 66 C10 http://67-72chevytrucks.com/vboard/s...d.php?t=587639 |
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#24 |
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Join Date: Feb 2009
Location: Nashville TN
Posts: 294
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Re: Inline 250 - T3 Turbo - w/ Video
2/8/13
A quick update on exhaust and a sweet swap find! Tuck and Dump: total appreciation to all who have this "look". The routing is much harder than it looks. The results are a bit quieter exhaust not and no drone. Pleased ![]() The $5 swap meet find. I was as happier than a puppy with two peckers! ![]()
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Build Threads: "JED" 66 GMC C1000 http://inliners.org/ubbthreads/ubbth...1857#Post61857 "Cropwell" 66 C10 http://67-72chevytrucks.com/vboard/s...d.php?t=587639 |
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#25 |
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![]() Join Date: Oct 2012
Location: Bechtelsville PA
Posts: 54
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Re: Inline 250 - T3 Turbo - w/ Video
Exhaust looks good! That's how I always have ran the tail pipe on my trucks.
Posted via Mobile Device
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Jeff Moyer 65 LWB fleetside 292 4 speed 85 Camaro 436" SBC with a little nitrous 8.12 @ 169 in street trim |
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