94gt h/c/i

gpmike02 · Feb 21, 2006

hi, i have a 94gt 5spd and i have been thinking of buying some trick flow heads,cam and intake but was told the car would need a custom tune and it wouldn't run when i do the install, are there any heads,cam and intakes i can install without having to go through all that computer reprogramming and stuff, and still get a descent gain? i've got k&n,headers,xpipe,slp bullets,and 373s at the moment. just looking for more. any info would be greatly appreciated, thanks mike

bimmertech · Feb 21, 2006

if you want to increase performance but not go through the headache that some of us suffer then do heads, intake and reuse the stock cam.

i personally run a trick flow stage 1 cam with afr heads and no custom tune--runs just fine, but others with the same combo have problems.

BlownFiveLiter · Feb 21, 2006

You'll probably be safe with that combination, although there may be some idle issues associated with the TFS stage 1 cam. Some guys have been able to run down to a 110 degree lobe separation with no issues, but usually 112 is the limit on our cars before the headaches start. The TFS stage 1 cam has a 112 degree lobe separation, so you're kinda dancing around on that fine line of whether or not you'll have problems, but like Ben said, some can do it, others have problems. I'll be doing it within a few months. I haven't allotted myself any money for a tune yet, so I hope it goes well. Welcome to StangNet by the way!

LukeDaddy · Feb 21, 2006

Im still baffled at why someone would want to spend 3k dollars on an H/C/I swap, and not spend the extra 500 bucks to make sure its safe. Seems like cheap insurance.

95GTV8 · Feb 21, 2006

LukeDaddy said:
Im still baffled at why someone would want to spend 3k dollars on an H/C/I swap, and not spend the extra 500 bucks to make sure its safe. Seems like cheap insurance.

+1

It may seem a tune is a silly waste now, but it will cure problems such as idle issues, if your lean or rich, or anything else. If you have the $ to buy the whole trickflow kit you should have the $ to pay for a tune. If you don't then just get another $500 or so saved up, as it will be worth it. Why try and put all that stuff on only to have headaches later? Just get it tuned and have fun

final5-0 · Feb 21, 2006

gpmike02 said:
hi, i have a 94gt 5spd and i have been thinking of buying some trick flow heads,cam and intake but was told the car would need a custom tune and it wouldn't run when i do the install, are there any heads,cam and intakes i can install without having to go through all that computer reprogramming and stuff, and still get a descent gain? i've got k&n,headers,xpipe,slp bullets,and 373s at the moment. just looking for more. any info would be greatly appreciated, thanks mike

Hi Mike

Post #1 Welcome to :SNSign:

IMHO, you can't be assured of NO drivability issues if you go very far with motor mods.

I could not agree more with what Ben said above.
Same combo for two guys ... one has probs ... the other don't.

If you pick parts for your combo that are conservative and don't freak out your pcm, you most likely will leave power on the table.

I really can understand your concerns here.

You just have to be prepared to tune if the need arises.

You could always do a small shot of nitrous. I would not think you'd need to do a lot of tuning with that method other than upping the fuel pressure.

Grady

loudpedal99 · Feb 21, 2006

I have that setup, and have some mild driveability issues. The car tends to die while idling when warm, (I know my 02 sensors are bad, so this may be contributing to it), and I also have some mild low speed bucking. Nothing that bothers me too much, but I am saving for a tweecer or pms. Other than that, she rips and I'm very happy with the combo.

I didn't spend the extra $500 for the tune b/c there is no one to tune it around here; except ME.

blksn955.o · Feb 21, 2006

I have that cam, on the stock eec untuned I had a bucking at just off idle to about 2000rpm, and cold idle, cold (winter) startup would stall, every once and a blue moon it would stall at a stop if I slammed on the breaks and stoped fast, it was VERY rare though. Ran like a mother at about 2,500+ like a 50 shot went off.

Honestly, with the tweecer when I loaded up the j4j1 (cobra) base the off idle surge went by-by, I need to work on the idle but that is preaty close just alittle rich hope to focus on that this spring/summer. But it drives like stock otherwise.

gpmike02 · Feb 21, 2006

i appreciate all the comments guys, i didn't buy the whole kit, i bought the heads off of a buddy, as well as the intake, but i bought the cam brand new, stage 1. i'm not too worried about the money for the tuning, but i live in mcallen which is near mexico in texas, and so that drive up to san antonio will be kinda hard with work and all, but i might go ahead and try it and see what the outcome is. but other wise, would i be able to shoot a 150 shot safely on my stock 5.0?

blksn955.o · Feb 21, 2006

125-150 shot with a bigger pump and colder plugs should be fine. You just have to make sure you have enough fuel, and take out some spark.

bimmertech · Feb 21, 2006

gpmike02 said:
i appreciate all the comments guys, i didn't buy the whole kit, i bought the heads off of a buddy, as well as the intake, but i bought the cam brand new, stage 1. i'm not too worried about the money for the tuning, but i live in mcallen which is near mexico in texas, and so that drive up to san antonio will be kinda hard with work and all, but i might go ahead and try it and see what the outcome is. but other wise, would i be able to shoot a 150 shot safely on my stock 5.0?

my suggestion if you plan on running some N2O is go ahead and upgrade to 30 lb/hr inj now and save yourself any headache.

what kinda inj/maf are you gonna use?

blksn955.o · Feb 21, 2006

I would also go with larger inj. 24lb-30lb if the n2o will be a wet kit as they realy dont put any extra load on the inj.

now if its going to be a dry kit then I would sug. 30's at least maybe even 36's.

FWIW, I am tossing around the idea of stepping up to 30's in the future...prob. overkill as the 24's seem to be doing it, but the 30s would prob. be safer/less strain on the inj.

gpmike02 · Feb 22, 2006

yeah thats sounds cool, i have what i think are the 30lb injectors sitting in my room those are the red ones right?, that i got along with the car and nitrous kit so i'll prolly put those in this weekend along with the nitrous kit and have a go at it. thanks

95snoozer · Feb 22, 2006

see my post on lonestarstangs.

I am still on stock computer with only Tb adjustment, FP tweeking and 14 degrees of timing.

my car fired up in 35 degree weather after sitting a month while i was in the hospital, didnt die on me and hasnt tried to. It is rock solid now after a few years of learning how to work around the stock computer. just follow my advice.

94gt h/c/i

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