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Old 07-21-2002, 04:31 PM   #1
DoctorNick
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Default Owners of the blitz FMIC... opinions please

So, tell me. Are you guys happy with the purchase of this FMIC? Suggestions, comments? I am thinking of buying tomarrow from german-autoworks for my impreza.
-Neal
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Old 07-21-2002, 08:08 PM   #2
sherifx
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bump for the g0at lovin' coon' boi

sherif
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Old 07-21-2002, 08:23 PM   #3
AmSFighter
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Ryan (rak328) got his blitz and he told me that if he could do it again, he'd get the greddy.
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Old 07-21-2002, 08:39 PM   #4
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FYI there are two Greddy cores the v spec and r spec cores. Most vendors are selling the v-spec core which is not rated for high boost ( I believe 15 or 16 PSI) so you will want to get the R spec core, peopel can get it for you from Japan it isn't hard.
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Old 07-21-2002, 08:58 PM   #5
Shik
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While I don't have one, I helped a friend/customer install one a month or so ago. Only problem is the cutting involved. The actual kit, as far as having the right bends and whatnot, fit flawlessly. No rubbing and scraping anywhere. If everything was cut already, it would litterally take minutes to install.

We just had it down TurboXS on Friday and in near 100 degree temps, they said the FMIC was part of the reason his car made as much power as it did.

Fits perfect(after the cutting), looks damn good, and most of all, works. He wouldn't trade it for anything(opinion of course).

-Matt
W&L Subaru
"Proud sponsor of the East Coast Subaru Shootout"
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Old 07-22-2002, 01:26 PM   #6
BADWRX
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Well, here is my humble opinion on my Blitz FMIC.

I really really like it. The car makes serious power without PEMS...on the stock ECU I made 258 Wheel Horsepower with the PE1820, 91OCTANE, STi Injectors, and the Blitz FMIC.

The only thing that I like better about the Trust unit is the Piping. I really do not like how the Blitz runs back by the tranny, and then forward. The Blitz core kills the Greddy though. Bigger and meaner!

Cutting the car was a painful thing to do...but man...the looks that I get from other enthusiasts are to die for!

I highly recommend!

Andy

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Old 07-22-2002, 01:52 PM   #7
DoctorNick
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ah, crap. you bring up a good point. Will it FIT with an auto tranny?
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Old 07-22-2002, 01:59 PM   #8
Schaf100
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Has anyone used the Blitz FMIC with the JDM crash beam? Does this part eliminate the need to cut?
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Old 07-22-2002, 02:11 PM   #9
WRXThis
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I love my Blitz FMIC. Would purchase it again in a heartbeat. Only compaint: The pipes need to come polished.
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Old 07-22-2002, 03:12 PM   #10
JaMa
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Default Automatic

Quote:
Originally posted by DoctorNick
ah, crap. you bring up a good point. Will it FIT with an auto tranny?
I would be very cautious about putting a FMIC, especially one as large as the Blitz, on the automatic car. My Blitz is awesome for performance, but it added a considerable amount of lag, even after I was able to tune a lot of it away.

You may want to consider a large top mount or air to water, because that Blitz does add lag. I dont care what anyone says.

JaMa
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Old 07-22-2002, 03:19 PM   #11
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It's not lag. It's response time. The pressue has been made, your feeling the reduction of response while the boost navigates the tubing. Lag is the time it takes to make the pressure. Trivial, but it is important people understand the difference.

Ken
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Old 07-22-2002, 03:33 PM   #12
rak328
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I like the Blitz core but the piping isn't the best. I like the way the Greddy pipes run past the battery but the endtanks on the core of the Blitz are much bigger.

Am I the only one that had to do a lot of cutting to get the pipes to clear certain parts on the car. I had to extend the hole where the stock airbox is to get the i/c pipe to fit and I had to trim the bumper cover on both sides with a dremel at the fogs so the pipes wouldn't rub.

Also, I never connected that bracket by the tranny b/c I had know idea how to get it to fit. I thought about bending it but was afraid it might snap. I can hear it vibrate against something underneath the car at idle and have wrapped the pipe with heat wrap for the time being to protect the pipe. How did you guys get that damn bracket to fit?
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Old 07-22-2002, 03:35 PM   #13
JaMa
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Default Lag vs response

Ken,

It could be argued that the time a given turbo takes to navigate the tubing is in fact part of lag, since it comes across as the same "press the throttle and nothing happens" kind of feeling. All I know is that it takes 500-750rpms longer for the boost to be on full tilt in my car after the FMIC than beforehand. Yes, it is because the turbo is taking longer to fill the pipes. Yes, it feels like lag because the turbo takes a longer period of time to produce the same pressure.

At least thats my take on this...

JaMa
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Old 07-22-2002, 03:41 PM   #14
WRXThis
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Default

Quote:
All I know is that it takes 500-750rpms longer for the boost to be on full tilt in my car after the FMIC than beforehand.
In addition it's important to note this is at 6,000' above sea level. With a lower evelvation the response time would not be as bad. The FMIC on my car added about 300-400rpm difference in response time.
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Old 07-22-2002, 03:44 PM   #15
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Default Re: Lag vs response

Quote:
Originally posted by JaMa
Ken,

It could be argued that the time a given turbo takes to navigate the tubing is in fact part of lag, since it comes across as the same "press the throttle and nothing happens" kind of feeling. All I know is that it takes 500-750rpms longer for the boost to be on full tilt in my car after the FMIC than beforehand. Yes, it is because the turbo is taking longer to fill the pipes. Yes, it feels like lag because the turbo takes a longer period of time to produce the same pressure.

At least thats my take on this...

JaMa
Exactly. That's lag IMO. Time it takes for boost to come on after you floor it. Thanks for being honest.

What turbo are you running JaMa? VF30 if I recall.
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Old 07-22-2002, 04:05 PM   #16
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I'm using the blitz fmic and it is a really nice system, but i would probably buy the MRT if i was to do it over again. I chose the blitz because I got a great deal on it, the only negative things i see about it are.

You must buy an aftermarket BOV, blitz sus or lm induction, and get your BOV welded to the piping. The piping does stick out a bit too far in the front, requiring you to even cut up some fog covers to cover up the piping correctly.


the reason i would choose MRT over Blitz is because you can keep your fogs, the routing is simple, and you can use your stock bypass valve
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Old 07-22-2002, 04:22 PM   #17
DoctorNick
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yes, I have an auto...but lag is not a worrie.

<-- 2.5rs-T with a built motor and some special anti lag stuff
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Old 07-22-2002, 04:25 PM   #18
JaMa
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Default Stuff

Quote:
Originally posted by TypeC


Exactly. That's lag IMO. Time it takes for boost to come on after you floor it. Thanks for being honest.

What turbo are you running JaMa? VF30 if I recall.
Yeah I still have a Vf30. FWIW, it seems like bigger turbos work better with big FMIC's - they already have too much lag so the amount of lag you get from them is not too horrible.

The automatic rex would really suffer from a FMIC it seems to me, but i guess it would be cool for someone to try it and give feedback.

JaMa
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Old 07-22-2002, 04:48 PM   #19
DoctorNick
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Default Re: Stuff

Quote:
Originally posted by JaMa

The automatic rex would really suffer from a FMIC it seems to me, but i guess it would be cool for someone to try it and give feedback.
i'm not a rex, but I am going to give it a try
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Old 07-22-2002, 05:13 PM   #20
DeliciouSpeed
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Default Re: Re: Lag vs response

Quote:
Originally posted by TypeC


Exactly. That's lag IMO. Time it takes for boost to come on after you floor it. Thanks for being honest.

What turbo are you running JaMa? VF30 if I recall.
Call it whatever you want chief. I just want you to know the difference. Knowledge is power.

Ken
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Old 07-22-2002, 06:38 PM   #21
WizardBlackWRX
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Lag is generally accounting for everything in the system, as the lag for a certain turbo would be a lot smaller on, say, a supra or 300ZXTT.
I have yet to install my Blitz, but I must say the piping is very light. I had someone tig weld a better hose bead on all the pipes. I am considering getting them heat coated as well. I was told (not sure about this from an engineering standpoint) that polishing the pipes will make them absorb more heat. <shrug>
I have had a Greddy for DSM's twice before. Their pipes are steel instead of aluminum if I'm not mistaken. Maybe someone with a Greddy can 'pipe' in here.
The cores looked pretty much the same as far as design goes.
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