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Author
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Topic: H.C.I.
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9cobra7
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Member # 2812
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posted
 
 
Anyone know if HCI in Sac area is making anything good coming out of that shop? I know many modular motors that came out of there that blew up so I gave up on them. Any success stories?
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If you can't walk and chew gum at the same time, don't walk.
Posts: 2633 | From: usa | Registered: May 2003
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jayl
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Member # 185
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posted
i just successfully spent 2gs repairing a fresh mod motor from them. My engine builder said its the worst valve job he'd ever seen, all the torque specs were off,valves werent seating and the crank had just about to spin on the main bearings. Smoked at idle, motor was a full tilt "race" setup with less than 600 miles on no more than 450rwhp. Brought it down to him on suspicion that I popped a headgasket during the break in, that was what was found!
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Facebook.com/TeamTemporary
8.5's TTFBitch!
Posts: 3821 | From: Hayward | Registered: Mar 2001
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RED@7kVERT *8850GT*
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Member # 5909
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posted
my cars is there all torn apart....
shit.
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02 Z06-11.0 @ 132 1.9 60'
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Sold:05 CTS-V-13.1@114
Sold:01 Cobra Vert-12.0@119
Posts: 2432 | From: -916- | Registered: Aug 2005
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93PONY
Mr. Valve Events
Member # 60
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posted
Unfortunately the machine shop HCI uses has no machine newer than 15 years old.
The blocks are not bored/honed with torque plates & the valvejobs are done with a stone grinder.
Even I found out all this information too late on my own motors & had to re-machine one of them after I left HCI. Although, the wife's N/A 347 & Yellow94GT's N/A 347 (2 of the fastest around) were both machined at that shop & have not had any issues whatsoever.
In other words, the machining is hit & miss. Add boost, overhead cams & smaller valves (Modular stuff) & it compounds the issue.
As far as TQ specs go, there's no real way to verify TQ specs on a motor upon dis-assembly, BUT..... ARP has revised their 4.6 Head stud TQ spec twice now (from 60ft/lbs to 65ft/lbs to 72ft/lbs)....due to customers lifting heads. & they've just recently revamped the 4.6 stuff with beefier washers/nuts & upped TQ specs yet again to 90ft/lbs in an effort to resolve the issues. They've also released ARP 2000 hardware for the 4.6 for those with sub 10 second setups.
[ August 07, 2008, 06:43 PM: Message edited by: 93PONY ]
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www.advancedenginedevelopment.com
SCT dealer
Dynotuning
(916)715-7569
Posts: 4265 | From: Fair Oaks, CA | Registered: Nov 2000
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Diamond Dave
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Member # 5023
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posted
My old HCI motor drank oil like no other. Even after the 2nd rebuild it would go through a quart a week or so. I know it needed a tune, but that shouldn't be THAT bad right?
Wouldn't hate on em but wouldn't recommend em at the same time.
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1993 Taurus SHO MTX Red/Grey
-Stock hotness DD
Posts: 475 | From: Sacramento, CA | Registered: Nov 2004
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93PONY
Mr. Valve Events
Member # 60
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posted
DP
[ August 07, 2008, 06:43 PM: Message edited by: 93PONY ]
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www.advancedenginedevelopment.com
SCT dealer
Dynotuning
(916)715-7569
Posts: 4265 | From: Fair Oaks, CA | Registered: Nov 2000
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East Bay 50
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Member # 8081
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Fuck HCI! I have heard of ALOT of people having bad experiences with them
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Kurgan tuned stroked and blown 347 foxbody. boost nukka!
Posts: 2699 | Registered: Dec 2007
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93PONY
Mr. Valve Events
Member # 60
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posted
quote:
Originally posted by Diamond Dave:
My old HCI motor drank oil like no other. Even after the 2nd rebuild it would go through a quart a week or so. I know it needed a tune, but that shouldn't be THAT bad right?
Wouldn't hate on em but wouldn't recommend em at the same time.
Check your intake for oil.
When the IMRC controller fails on 96-98 Cobra's, they suck a crap-load of oil into the intake through the PVC valve. Especially if you compression brake the motor (use the motor to slow down the car). Most also exibit a hesitation or buck around 3300RPM when the timing tables change & the IMRC's don't open.
[ August 07, 2008, 06:46 PM: Message edited by: 93PONY ]
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www.advancedenginedevelopment.com
SCT dealer
Dynotuning
(916)715-7569
Posts: 4265 | From: Fair Oaks, CA | Registered: Nov 2000
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Diamond Dave
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Member # 5023
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posted
quote:
Originally posted by 93PONY:
quote:
Originally posted by Diamond Dave:
My old HCI motor drank oil like no other. Even after the 2nd rebuild it would go through a quart a week or so. I know it needed a tune, but that shouldn't be THAT bad right?
Wouldn't hate on em but wouldn't recommend em at the same time.
Check your intake for oil.
When the IMRC controller fails on 96-98 Cobra's, they suck a crap-load of oil into the intake through the PVC valve. Especially if you compression brake the motor (use the motor to slow down the car). Most also exibit a hesitation or buck around 3300RPM when the timing tables change & the IMRC's don't open.
Makes sense... Would that mean the IMRC's were stuck closed? I thought I had them deleted when I got the rebuild done. I remember my Cobra being a dog down low, but coming to life right between 3,000-3,500 rpm's.
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1993 Taurus SHO MTX Red/Grey
-Stock hotness DD
Posts: 475 | From: Sacramento, CA | Registered: Nov 2004
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93PONY
Mr. Valve Events
Member # 60
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posted
Yeah, they'd be stuck closed if the IMRC controller failed. If you had them deleted, this would not be the cause.
If that's the case, I'd still pull the intake cover & check for oil. You may have to run a breather & catch can setup instead of the stock PCV system.
Also, on a lot of boosted setups the PCV setup is all wrong. The kits push boost into the valvecover, which forces oil through the PCV.
Oil through the PCV normally means excessive blowby, but it can also mean bad valve guides or seals (my case with my HCI machined heads), incorrect routing of PCV system for boost (very common), or IMRC plates that are stuck closed creating a high vacuum signal (getting more common as these cars age).
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www.advancedenginedevelopment.com
SCT dealer
Dynotuning
(916)715-7569
Posts: 4265 | From: Fair Oaks, CA | Registered: Nov 2000
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50 Deep
Jockin 03 Cobras
Member # 6216
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posted
quote:
Originally posted by RED@7kVERT *8850GT*:
my cars is there all torn apart....
shit.
scott bro when did you take ur car to HCI? did something blow?
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Signature Wheel Ford Representative
Email: Terrance@Signaturewheel.com
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Posts: 6043 | From: sacramento | Registered: Nov 2005
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jayl
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Member # 185
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posted
quote:
Originally posted by 93PONY:
As far as TQ specs go, there's no real way to verify TQ specs on a motor upon dis-assembly,
I'll find out for you exactly what he meant with that. I may have interpreted it wrong, but I will get clarification. As far as everything else, really a shame for the amount of cash dumped by the previous owner and now myself. For some strange reason though, I think my next block will have DART stamped on it anyway! haha. Hows the cobra doin anyway?
Jason
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Facebook.com/TeamTemporary
8.5's TTFBitch!
Posts: 3821 | From: Hayward | Registered: Mar 2001
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RED@7kVERT *8850GT*
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Member # 5909
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posted
quote:
Originally posted by 50 Deep:
quote:
Originally posted by RED@7kVERT *8850GT*:
my cars is there all torn apart....
shit.
scott bro when did you take ur car to HCI? did something blow?
ya. #7 ringland...bye-bye!
150 shot and forgetting to switch to the nitrous tune = no no ![[Mad]](mad.gif)
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02 Z06-11.0 @ 132 1.9 60'
_ _ _ _ _ ____ _ _ _ _ _
Sold:05 CTS-V-13.1@114
Sold:01 Cobra Vert-12.0@119
Posts: 2432 | From: -916- | Registered: Aug 2005
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93PONY
Mr. Valve Events
Member # 60
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posted
quote:
Originally posted by jayl:
quote:
Originally posted by 93PONY:
As far as TQ specs go, there's no real way to verify TQ specs on a motor upon dis-assembly,
I'll find out for you exactly what he meant with that. I may have interpreted it wrong, but I will get clarification. As far as everything else, really a shame for the amount of cash dumped by the previous owner and now myself. For some strange reason though, I think my next block will have DART stamped on it anyway! haha. Hows the cobra doin anyway?
Jason
Unfortunately, it was my DART that I had to have re-machined... If I would have known about that 'practice' of not using a torque plate, or the less than desirable quality of valvejobs, I would have done something about it while I still worked at HCI. I, like others, learned the hard way.
The Cobra is doing well. Getting it ready for Pinks next month. ![[Wink]](wink.gif)
You guys going to make an appearance?
BTW, let me know if you need anything with your HCI built modular. I've taken care of more than a few unhappy HCI customers.
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www.advancedenginedevelopment.com
SCT dealer
Dynotuning
(916)715-7569
Posts: 4265 | From: Fair Oaks, CA | Registered: Nov 2000
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93PONY
Mr. Valve Events
Member # 60
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posted
quote:
Originally posted by RED@7kVERT *8850GT*:
quote:
Originally posted by 50 Deep:
quote:
Originally posted by RED@7kVERT *8850GT*:
my cars is there all torn apart....
shit.
scott bro when did you take ur car to HCI? did something blow?
ya. #7 ringland...bye-bye!
150 shot and forgetting to switch to the nitrous tune = no no
With the intake manifold design of these motors, it was going to blow reguardless of tune.
The only 'safe' nitrous is a direct port setup. There's simply no other way to guarantee even nitrous distribution to all 8 cylinders. Running a wet shot through the manifold is even worse. Now you've got uneven distribution of fuel on top of uneven distribution of nitrous.
Remember, a wideband in one bank simply samples the Air Fuel of 4 cylinders averaged together. IE, if one cylinder is running 10.0:1 & the cylinder next to it is running 14.0:1 the wideband will read 12.0:1. That's how you get one dead hole.
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www.advancedenginedevelopment.com
SCT dealer
Dynotuning
(916)715-7569
Posts: 4265 | From: Fair Oaks, CA | Registered: Nov 2000
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jayl
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Member # 185
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posted
thanks shaun. I ended up calling an old friend from a shop in southern california. Had the motor torn completely apart. Just figured I'd be safe while its out. Completely redid the heads, rings/bearings/etc....all the usual stuff. Just wanted piece of mind before i put the hammer to it again! I actually wanted to call you guys for some wiring up of my injector driver box and a few misc things. I'll give you a call on monday and figure out whats up! And no pinks for any of our group this year, we'll be there watchin but rorys cobra isnt ready to go from a stop and im sure this turbo setup on mine will have me runnin circles for a while! take care
jason
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Facebook.com/TeamTemporary
8.5's TTFBitch!
Posts: 3821 | From: Hayward | Registered: Mar 2001
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saleen_freak
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Member # 6521
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posted
I had a bad experience at hci. I had to pay them for work on my engine and then repay force fed to tune it and fix same issue then pay apex to fix everything cause both shops(hci and force fed)didn't know shit, they just talk like they do and so on and so forth. If you can find him George from apex knows his stuff.
Posts: 211 | From: Sacramento | Registered: Feb 2006
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Diamond Dave
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Member # 5023
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posted
My head hurts.
Reason 34643546 the Cobra is going bye bye. LOL
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1993 Taurus SHO MTX Red/Grey
-Stock hotness DD
Posts: 475 | From: Sacramento, CA | Registered: Nov 2004
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TrueBlue
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Member # 1063
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posted
You know, it doesn't matter what shop you go to, someone is eventually going to have a bad experience. And those are the people most likely to post it. Satisfied people typically don't post anything. Just my opinion.
[ August 08, 2008, 08:22 PM: Message edited by: TrueBlue ]
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KB '01 GT
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Posts: 1527 | From: Around the way | Registered: Mar 2002
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