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Author Topic: I've Returned & My GMC Syclone  (Read 4048 times)

JRoyPDX

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I've Returned & My GMC Syclone
« on: December 11, 2018, 10:51:35 PM »

Okay so that other thread I deleted because I had to figure out somewhere to put my pictures that'd play nice with the forum. At one time I was doing some Honda build stuff and was on the OG Jeff site as FooK.

These days I'm building and racing this, my 1991 GMC Syclone:





Bought this thing just over a year ago, fixed a million things that were in chaos, tossed on a 6266 and threw in some e85. I managed to build it to a point of running an 11.37 @ 114mph losing a spark plug 1/2 way thru the pass.

Since then, Holley EFI install and the new found power I was able to make after sorting through more issues it chewed up my 700r4.  Now I've installed a th350 and I'm waiting for spring to arrive for more racing. Some more pictures just for fun.






Dyno was right after Holley install, had some ignition troubles and was down on power quite a bit.








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1991 GMC Syclone 11.37 @ 114mph
2017 Silverado RCSB daily, runs 14.4's, trans tune with HPT, too scared to touch the engine tune

Joseph Davis

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Re: I've Returned & My GMC Syclone
« Reply #1 on: December 12, 2018, 11:00:05 PM »

Fat.

turbohf

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Re: I've Returned & My GMC Syclone
« Reply #2 on: December 13, 2018, 10:21:17 PM »

awesome!

needs 4L80E.
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Dustin  :Jew:
1987 Buick Regal Limited 6.0L/4L80E (LQ4, 862 heads, tbss intake, 92mm tb, e1841p cam, Holley EFI)
2000 Silverado LS 5.3L Reg Cab Short Bed
1966 Chevy II Nova 400 4dr Sedan V8


'Faster, Faster, until the thrill of speed overcomes the fear of death.'

JRoyPDX

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Re: I've Returned & My GMC Syclone
« Reply #3 on: December 13, 2018, 11:52:06 PM »

awesome!

needs 4L80E.

I just got done puttin a th350 in it. Transbrake, manual rev. Vb, ck performance mechanical diode. It might have to go to a 4L80E just because I may need more mph.
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1991 GMC Syclone 11.37 @ 114mph
2017 Silverado RCSB daily, runs 14.4's, trans tune with HPT, too scared to touch the engine tune

JRoyPDX

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Re: I've Returned & My GMC Syclone
« Reply #4 on: December 14, 2018, 02:21:46 AM »

Hmmm build thread?
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1991 GMC Syclone 11.37 @ 114mph
2017 Silverado RCSB daily, runs 14.4's, trans tune with HPT, too scared to touch the engine tune

rawr

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Re: I've Returned & My GMC Syclone
« Reply #5 on: December 14, 2018, 10:06:15 PM »

I always liked those syclones
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JRoyPDX

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Re: I've Returned & My GMC Syclone
« Reply #6 on: December 15, 2018, 06:53:48 PM »

I always liked those syclones


It's a neat toy, but always needs something fixed haha!
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1991 GMC Syclone 11.37 @ 114mph
2017 Silverado RCSB daily, runs 14.4's, trans tune with HPT, too scared to touch the engine tune

random-strike

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Re: I've Returned & My GMC Syclone
« Reply #7 on: December 16, 2018, 02:16:58 PM »

I want to get a typhoon someday they're very expensive though
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random-strike

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Re: I've Returned & My GMC Syclone
« Reply #8 on: December 16, 2018, 02:18:06 PM »

Post pic of your Silverado
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JRoyPDX

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Re: I've Returned & My GMC Syclone
« Reply #9 on: December 16, 2018, 02:35:50 PM »


I want to get a typhoon someday they're very expensive though



The green one in that photo was about $15k out of California with about 50k miles on it. I see rough ones come around $5-8k once in a while.


This one is currently getting a L33 5.3 with a big single, want to say a 7875, and a 4L80e.  Should be pretty fast when its done.





Post pic of your Silverado



The old daily, sure...


« Last Edit: December 16, 2018, 02:37:49 PM by JRoyPDX »
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1991 GMC Syclone 11.37 @ 114mph
2017 Silverado RCSB daily, runs 14.4's, trans tune with HPT, too scared to touch the engine tune

random-strike

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Re: I've Returned & My GMC Syclone
« Reply #10 on: December 16, 2018, 03:31:34 PM »

I've sent some decent typhoons for around 10k every once in a while

Then I see ones that are fucked up for the same price lol

I like the truck. Im a big swb fan

I've soured on getting loans on nice cars I hate paying and last couple people have hit and run me and I had to pay to fix out of pocket but I'd like to get a short box GM or Dodge truck. I like GMC better

I regret getting rid of my 76 swb
https://photos.app.goo.gl/Le1Y79vBx52RVwtH6
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JRoyPDX

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Re: I've Returned & My GMC Syclone
« Reply #11 on: December 16, 2018, 03:37:58 PM »

I've sent some decent typhoons for around 10k every once in a while

Then I see ones that are fucked up for the same price lol

I like the truck. Im a big swb fan

I've soured on getting loans on nice cars I hate paying and last couple people have hit and run me and I had to pay to fix out of pocket but I'd like to get a short box GM or Dodge truck. I like GMC better

I regret getting rid of my 76 swb
https://photos.app.goo.gl/Le1Y79vBx52RVwtH6

I actually want to get rid of the Silverado, its just too mich cashflow out the pocket each month. Very niche group of buyers tho.
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1991 GMC Syclone 11.37 @ 114mph
2017 Silverado RCSB daily, runs 14.4's, trans tune with HPT, too scared to touch the engine tune

random-strike

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Re: I've Returned & My GMC Syclone
« Reply #12 on: December 16, 2018, 04:10:30 PM »

Yeah I hear ya

You hardly see them at dealerships

I see more Dodge ones than anything

I'd like one as long as it was new enoguh for the 8 speed


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ratcityrex

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Re: I've Returned & My GMC Syclone
« Reply #13 on: December 18, 2018, 01:30:49 AM »

Dope! I dig it! Curious to see what it turns down the track come spring.
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New setup is old bottom end with a hype r head with gsr cams. built lsv with hx35 @ 26psi on pump gas
LEED tuned! 434hp/329tq http://www.youtube.com/watch?v=_pbDXZxZdZs
http://www.realhomemadeturbo.com/forum/index.php/topic,16195.0.html

Old Setup B18a1 296hp/289tq LEED Tuned 20psi on pump! http://www.youtube.com/watch?v=2Yj-Z90j4W4   
http://www.realhomemadeturbo.com/forum/index.php/topic,205.msg2437.html#msg2437

JRoyPDX

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Re: I've Returned & My GMC Syclone
« Reply #14 on: December 18, 2018, 01:39:00 AM »

Dope! I dig it! Curious to see what it turns down the track come spring.

I'm curious too! Making some more changes right now in the rear shock area.

I am concerned with my top speed ability.  Might be 125mph-ish. It'll go 10's on 118mph or so tho.
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1991 GMC Syclone 11.37 @ 114mph
2017 Silverado RCSB daily, runs 14.4's, trans tune with HPT, too scared to touch the engine tune

crxvtec91

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Re: I've Returned & My GMC Syclone
« Reply #15 on: January 03, 2019, 11:39:50 AM »

Man thats super clean! I only see rusted out buckets around here for 13k+
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My build thread; http://www.realhomemadeturbo.com/forum/index.php?topic=2444.0


I like my girls like I like my cars, rich and retarded.

JRoyPDX

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Re: I've Returned & My GMC Syclone
« Reply #16 on: January 03, 2019, 12:21:18 PM »

Man thats super clean! I only see rusted out buckets around here for 13k+

Ohhh this one's not without its rust. Its a 10ft truck for sure.
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1991 GMC Syclone 11.37 @ 114mph
2017 Silverado RCSB daily, runs 14.4's, trans tune with HPT, too scared to touch the engine tune

JRoyPDX

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Re: I've Returned & My GMC Syclone
« Reply #17 on: January 08, 2019, 09:18:56 PM »

I posted a build thread, in the wrong place.


Feel free to move it:
http://www.realhomemadeturbo.com/forum/index.php/topic,23317.0.html
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1991 GMC Syclone 11.37 @ 114mph
2017 Silverado RCSB daily, runs 14.4's, trans tune with HPT, too scared to touch the engine tune
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