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Author Topic: Crappy Black 89 Colt GT. *updated Aug 2013*  (Read 14994 times)

Offline John Hartman

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Re: Black 89 Colt GT. *updated sept 2011*
« Reply #45 on: October 07, 2011, 05:16:03 pm »
+1 on Remi.

Or even use regular 1g struts with off the shelf lowering springs in them.
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91 Eagle Talon TSi 5spd awd.  GT-12, TriFlow Cams, 850s, Tial, JIC, Jackal, sticky rubber.
86 Merkur XR4Ti 5spd, rwd, turbo, 91,381km.  Original paint, heated leather. intercooled, big VAM, Full 3" exhaust, Cossie sway bar, 16" tires.
06 Mazdaspeed6 6spd awd, DISI turbo, heated leather HIDs, Corksport, Cobb, Konig, Centric...
2018 VW Golf Alltrack turbo Tornado Red, 6mt, some free mods

Offline Remi Raymond

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Re: Black 89 Colt GT. *updated sept 2011*
« Reply #46 on: October 07, 2011, 08:42:15 pm »
Quote from: John Hartman on October 07, 2011, 05:16:03 pm
+1 on Remi.

Or even use regular 1g struts with off the shelf lowering springs in them.

But with a 1.5 inch higher spring perch that will mean really shite suspension travel, will it not?
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Offline Brett Haviland

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Re: Black 89 Colt GT. *updated sept 2011*
« Reply #47 on: October 07, 2011, 09:11:22 pm »
travel depends on how much room the top of the strut cartridge ends and how big the bumpstop is....  But i think the DSM struts would decrease the effective suspension travel maybe...

I already bought the Gr2's and will be putting them in shortly.  They are highly recommended in the colt world.

Brendan decided by 2013 the car will be AWD.  So that leaves next year for its last time without traction!! lol

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Offline John Hartman

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Re: Black 89 Colt GT. *updated sept 2011*
« Reply #48 on: October 07, 2011, 10:32:07 pm »
hehehe  :)  yea the GR2 is a good enough shock and with shitty old blown stockers it will be super way better happy star car
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91 Eagle Talon TSi 5spd awd.  GT-12, TriFlow Cams, 850s, Tial, JIC, Jackal, sticky rubber.
86 Merkur XR4Ti 5spd, rwd, turbo, 91,381km.  Original paint, heated leather. intercooled, big VAM, Full 3" exhaust, Cossie sway bar, 16" tires.
06 Mazdaspeed6 6spd awd, DISI turbo, heated leather HIDs, Corksport, Cobb, Konig, Centric...
2018 VW Golf Alltrack turbo Tornado Red, 6mt, some free mods

Offline Jordan Kruger

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Re: Black 89 Colt GT. *updated sept 2011*
« Reply #49 on: October 13, 2011, 08:49:57 pm »
Quote from: John Hartman on October 07, 2011, 10:32:07 pm
super way better happy star car

May I name my car this?   lol
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337awhp.  ---> 500 awhp ? =)

Replacing parts since early 2010.

Offline John Hartman

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Re: Black 89 Colt GT. *updated sept 2011*
« Reply #50 on: October 14, 2011, 05:53:00 pm »
its all yours!!
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91 Eagle Talon TSi 5spd awd.  GT-12, TriFlow Cams, 850s, Tial, JIC, Jackal, sticky rubber.
86 Merkur XR4Ti 5spd, rwd, turbo, 91,381km.  Original paint, heated leather. intercooled, big VAM, Full 3" exhaust, Cossie sway bar, 16" tires.
06 Mazdaspeed6 6spd awd, DISI turbo, heated leather HIDs, Corksport, Cobb, Konig, Centric...
2018 VW Golf Alltrack turbo Tornado Red, 6mt, some free mods

Offline Jordan Kruger

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Re: Black 89 Colt GT. *updated sept 2011*
« Reply #51 on: October 14, 2011, 06:25:46 pm »
lol!
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337awhp.  ---> 500 awhp ? =)

Replacing parts since early 2010.

Offline Brett Haviland

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Re: Black 89 Colt GT. *updated sept 2011*
« Reply #52 on: October 15, 2011, 01:53:56 am »


Well it blew up...quite spectacularly!  Did it at 5500 rpm in 3rd gear on a 1/4 mile pass. 

oh well it was a $200 junkyard engine that siezed up do to rust last year before i "resected it".  Im impressed it made it this far lol.

Brendan has a freshly rebuilt  6 bolt w/ 2g pistons sitting waiting to go in....  so the time has come i guess!

Alot easier to swallow when its just a stock 6 bolt.  The cams, L19 Headstuds and HTA68 should all still be OK...

We are hoping that pieces or anything didnt go through the turbo.... (the most exspensive part!!).  I pulled the spark plug in cylinder #1 which was bashed by the free moving piston.... but i didnt see any pieces of piston or valve that had made it into the combustion chamber.  It seems the rod separated from the piston... or the piston pin came out of the piston The rod is still bolted to the crank.   Ill post up more carnage pics once i get the engine out and pan off.


I looked at the dataloggs during the run...  everything looked good.... no knock whatsoever till a split second before it blew the datalogger went from 0 counts.... to a solid 43 counts and then boom.  Im sure the solid 43 counts of knock right before she blew is from the rod coming apart....Not from detonation.....The boost was solid, did not over boost (held a solid 28 psi before she blew).

Pretty much just a tired old motor let go... it was bound to happen making 381WHP... and i sorta glad it went out with a BANG instead of slowly dying or being injured...haha
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Offline Remi Raymond

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Re: Black 89 Colt GT. *updated sept 2011*
« Reply #53 on: October 15, 2011, 02:07:21 am »
Definately the fastest 200$ i've seen in a while, something had to give.
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Offline Marke Bailey

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Re: Black 89 Colt GT. *updated sept 2011*
« Reply #54 on: October 15, 2011, 08:59:24 am »
Did you get any full passes or was this on the first one?
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Offline John Hartman

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Re: Black 89 Colt GT. *updated sept 2011*
« Reply #55 on: October 15, 2011, 09:13:06 am »
hey, I'd say for what that engine was, it lasted really well considering!!

Now, that said, look for signs that it ran out of fuel suddenly such as an injector clip, fuel pressure, loss of methanol etc.  We have seen it go that way too.  Just so you don't blow up the next one the same way.
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91 Eagle Talon TSi 5spd awd.  GT-12, TriFlow Cams, 850s, Tial, JIC, Jackal, sticky rubber.
86 Merkur XR4Ti 5spd, rwd, turbo, 91,381km.  Original paint, heated leather. intercooled, big VAM, Full 3" exhaust, Cossie sway bar, 16" tires.
06 Mazdaspeed6 6spd awd, DISI turbo, heated leather HIDs, Corksport, Cobb, Konig, Centric...
2018 VW Golf Alltrack turbo Tornado Red, 6mt, some free mods

Offline Jordan Kruger

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Re: Black 89 Colt GT. *updated sept 2011*
« Reply #56 on: October 15, 2011, 09:25:30 am »
Ide be focusing on the rod bolts themselves. If one even manages to come loose, then this will happen. A fuel problem should probably only result in a destruction of the pistion.  Im thinking that its either a defect (weak spot in the rod), or you spun a bearing, or a rod bolt actually came loose.
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337awhp.  ---> 500 awhp ? =)

Replacing parts since early 2010.

Offline John Hartman

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Re: Black 89 Colt GT. *updated sept 2011*
« Reply #57 on: October 15, 2011, 09:33:05 am »
heavy detonation can and will bend a rod.  Most likely it was just a mechanical failure caused by an old tired junkyard engine that was worked WAY harder than intended for quite some time, but I am just suggesting the rest of it be looked into as a precaution
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91 Eagle Talon TSi 5spd awd.  GT-12, TriFlow Cams, 850s, Tial, JIC, Jackal, sticky rubber.
86 Merkur XR4Ti 5spd, rwd, turbo, 91,381km.  Original paint, heated leather. intercooled, big VAM, Full 3" exhaust, Cossie sway bar, 16" tires.
06 Mazdaspeed6 6spd awd, DISI turbo, heated leather HIDs, Corksport, Cobb, Konig, Centric...
2018 VW Golf Alltrack turbo Tornado Red, 6mt, some free mods

Offline Brett Haviland

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Re: Black 89 Colt GT. *updated sept 2011*
« Reply #58 on: October 15, 2011, 04:53:32 pm »
Yeah I checked everything out and the meth was spraying fine and not leaking... All the injector clips are properly secured and they were all good.   

From looking into the hole in the block it apears that the rod is still bolted and spinning on the crank.  I suspect rod failure or wrist pin/piston failure.  It was cyl #1 that grenaded
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Offline Brett Haviland

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Re: Black 89 Colt GT. *updated sept 2011*
« Reply #59 on: October 17, 2011, 10:58:55 am »
It made a full pass before that...  I had the datalogs and it was a clean knock free run on the datalogs.
On that run it ran a 13.1 @ 115 MPH with a shitty 2.1 60' and a badly missed 3rd gear shift.


The next run i turned on the Boost by gear option and limted 1st gear to 15 psi and 2nd gear to 20 psi and then 3rd gear was full boost (28-29 psi)... it made it to 5500 RPM and BOOOM!

I got both runs on my shitty blackberry video camera.. lol

http://www.streetfire.net/video/turbo-colt-hta-68_2326451.htm

http://www.streetfire.net/video/turbo-colt-hta-68-29psi-1550ccmin-of-methanol_2326452.htm
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