LT1-LT4 Modifications 1993-97 Gen II Small Block V8

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Old Jul 31, 2011 | 10:07 PM
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I have a friend that is debating on doing this setup. Ive searched for a little while and is it really worth it considering you still use the opti? His car is just a h/c bolt on car and has eaten quite a few optis and he said he is looking to get a little more out of them. He doesnt race very often he said he is just tired of spending 400 big ones every few months. Discuss so i can relay this back to him.
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Old Aug 1, 2011 | 05:54 AM
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first just have him stop washing under the hood with a pressure sprayer. that is opti killer number one right there. check out chandler motorsports on ebay. you can get their optis for just over 100 and they have fairly good reviews. another sure fire killer of the opti is if he did a cold air intake setup and didnt hook the moisture evacuation lines back up. always make sure to keep those intact seeing as it is what keeps the water dried out inside the opti. he will also want to make sure he seals it good when he installs the cap and rotor. hope this helps.
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Old Aug 1, 2011 | 07:59 AM
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Originally Posted by lethal bird
I have a friend that is debating on doing this setup. Ive searched for a little while and is it really worth it considering you still use the opti? His car is just a h/c bolt on car and has eaten quite a few optis and he said he is looking to get a little more out of them. He doesnt race very often he said he is just tired of spending 400 big ones every few months. Discuss so i can relay this back to him.
I would say its not worth it in this case but that's my opinion. Don't buy cheap or over priced optis, buy one made by GM. I have never had one go out.
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Old Aug 1, 2011 | 11:26 AM
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i have the LTCC setup now on a stock 84k opti that before the LTCC setup was on its last leg, basically the LTCC module takes away the current the goe's across the the optical sensor so you end up with a very expensive cam sensor. Between the LTCC setup and gutting the CAT's i picked 4 tenths of a second and lot better drivability.
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Old Aug 1, 2011 | 12:07 PM
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Originally Posted by 96z28
i have the LTCC setup now on a stock 84k opti that before the LTCC setup was on its last leg, basically the LTCC module takes away the current the goe's across the the optical sensor so you end up with a very expensive cam sensor. Between the LTCC setup and gutting the CAT's i picked 4 tenths of a second and lot better drivability.
Was your car eating optis or something? What made you go with LTCC?

I think that is all he wants is drivability. I asked him did he pressure wash it and told me he knew better. I told him about 24x conversion but he told me he doesnt have the wallet for that.

Last edited by lethal bird; Aug 1, 2011 at 12:15 PM.
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Old Aug 1, 2011 | 12:48 PM
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I would tell your friend to do it. In my personal opinion it was the best thing o did for my car period. My car has turned pretty much into a track only car over the last couple of years and I really love the two step and timing retard the the ltcc offer for nitrous applicTions .
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Old Aug 1, 2011 | 10:19 PM
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Welp he bought the ltcc and then bought ls2 coils and coil bracket from efi connections. Hopefully it wont come back to bite him in the ***.
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Old Aug 27, 2011 | 03:09 AM
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So how did it work out? Im waiting on my ltcc to come in
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Old Aug 27, 2011 | 11:51 AM
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Originally Posted by GR33N GoblinM6
So how did it work out? Im waiting on my ltcc to come in
We put it on and if feels in no way different.
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Old Aug 27, 2011 | 12:53 PM
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Nice to see an honest response instead of the usual placebo vague "feels smooth and revs better.
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Old Aug 27, 2011 | 03:08 PM
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Yep i told him he should not have wasted his money on this and just saved up for the 24x conversion.
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Old Aug 27, 2011 | 04:13 PM
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I wouldn't **** money away on that either unless looking to turn north of 7K or you need a 2+BAR MAP.
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Old Aug 27, 2011 | 05:48 PM
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He was more looking for reliability than to make power.
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Old Aug 27, 2011 | 11:51 PM
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Yeah im not looking to spend 1500 on a new computer, i dont race, and dont have 400rwhp. I'm primarily doing t the LTCC to help eliminate the opti issues.

On a side note, my friend owns a DynaPack 5000 dyno, im going to do a before and after, not expecting any power gains.
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Old Aug 28, 2011 | 12:56 AM
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Originally Posted by GR33N GoblinM6
Yeah im not looking to spend 1500 on a new computer, i dont race, and dont have 400rwhp. I'm primarily doing t the LTCC to help eliminate the opti issues.

On a side note, my friend owns a DynaPack 5000 dyno, im going to do a before and after, not expecting any power gains.
LTCC doesn't eliminate opti issues just takes a little stress off it. Not enough to justify in my opinion, your basically left with a really expensive optical sensor. Every opti ive had die the optical sensor is what failed. Kinda stupid in my opinion to pay that much and still have the opti.
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Old Aug 28, 2011 | 07:17 AM
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In over a decade of daily driving and playing with these I have never had an opti failure and the first cam swap was 8 years ago when I was putting 20K a year on the car yet.
IMO if you have a normal setup and have constant opti troubles you are missing something or doing something wrong,, bad vent harness, cam pin length, something.
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Old Aug 28, 2011 | 07:45 AM
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The advantages of the LTCC and 24x kit are coil per cylinder ignition and total opti elimination in the case of the 24x kit. I don't ever recall reading or hearing of anyone with either of these systems having high rpm misses after the swap nor any more opti failures in the case of the 24x kit. Plus with the 24x kit you get the tuning advantages of the LSx platform, and in my area you can't find anyone who still tunes LTx cars, but everyone tunes LSx cars. That was the other reason I went 24x.
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Old Aug 28, 2011 | 02:31 PM
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I see both sides of the coin on this issue, however i do know the positives and negatives of these systems. I just cant justify the cost of the 24x system if my car is the occasional daily.

Keep in mind my car is a swap already, 92 B4C/1LE car with a reworked harness. Not sure i want to rewire and repin the whole damn thing when i just did it, what a nightmare that was.

Anyway, it should be fine for my application
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Old Aug 28, 2011 | 03:12 PM
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I thought about it going ltcc but i just cant see paying for another opti again. I would just rather delete it all together.
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