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Yeah the cast hyper pistons can't handle big knock under boost or N2O, same metallurgy for pistons for many decades and most engine manufacturers. Anything built much beyond the stock engine requires appropriate piston materials. The Opti can be removed and individual coils used. You can add a 100hp though if you can manage 25-30% higher airflow (heads, cams, exhaust) and have the ability to properly tune, and leave it under 6500 rpm (bock-pistons-rods combo rated at 6,000rpm max but I think it's fine up to 6500 with proper valve springs)
Yeah the cast hyper pistons can't handle big knock under boost or N2O, same metallurgy for pistons for many decades and most engine manufacturers. Anything built much beyond the stock engine requires appropriate piston materials. The Opti can be removed and individual coils used. You can add a 100hp though if you can manage 25-30% higher airflow (heads, cams, exhaust) and have the ability to properly tune, and leave it under 6500 rpm (bock-pistons-rods combo rated at 6,000rpm max but I think it's fine up to 6500 with proper valve springs)
Its not the same. As a doctor of mechanical I can assure you there was a major change to the direction 3D Stress tensor after 2002 in factory cast brittle fracture pistons from Chevrolet.
This evinced by the myriad 5.3L 05-07 L33 variants which support 1200rwhp in daily driver configurations for 200,000 miles
Try doing that with an LT1 style piston from the 90's
In 02 chevrolet piston materials finally resembled 92-02 Toyota/Nissan features,
The 1998-2002 Toyota 2jz-gte is 3L and supports 700rwhp for 200,000 miles
Using the same cast piston materials you claim is in everything else, at 3L
Same with 2L sr20det and Skyline RB engines, at 2L supporting 450rwhp is common for 200,000 miles
I don't expect you to understand or have the background and experience I do. I know you did not able to tune and build hundreds of cars over 25 years as daily drivers in the 200hp/liter range and go to school for 15 years to make sense of it. But to dismiss these details is going to set you back a lifetime. Please research 3D Stress tensor in brittle fracture failure context and review the mechanical statics/strength of materials concepts before assuming all cast is cast.
Well I just put new bilstiens shocks on the 94.Now who has some good suggestions on horsepower upgrades.This has the LT1.Ive got the 3:42 performance ratio and it's an automatic.Also has a magna flow exhaust. don't want to do headers. Need some help.75 to 100 h.p. would be nicest has the compression, I thing its needs a cam and fuel delivery help.
hmm. I grew up with these era engines, I started with small block chevrolet, how to build your chevrolet david vizard, smokey yunick, 1995 to 1998 was my first series of experiments. From 95-98 I had blower, nitrous, twin turbo application, I wrote software for self-tuning stand-alone ECU before widebands were available at hobby level.
next,I watched Chevrolet struggle with the LT1 design, 95-97. There is a reason it is only a two year production and optispark was never used again, ever, never ever.
If you don't understand the optispark issues then I'm sorry. For twenty years I helped people get out of that engine design. None would ever go back.
What I speak is from memory, there is some issue with the high compression piston and materials science of the LT1. There was also the first time chevrolet used some reverse cooling flow design. It was a time of experimentation and they experimented on the owners.
Those engines would produce 400rwhp successfully but anymore than that the pistons would break. I never bothered trying myself, I speak only from memory of what other people attempted and failed. I was never bold enough to try my luck with optispark engine, when there are 2L Nissan and 3L Toyota engines producing 500 to 700rwhp for 20 years at the same time interval, I switch over to those engines sr20det and 2jzgte and rb26dett, drive the skyline, supra, silvia, etc... very lightweight nimble economical vehicles for the time period.
I've tuned every kind of engine for daily drivers, 1.8L 2.0L 2.2L 2.4L 2.5L 2.6L 3.0L etc... mostly turbocharged. Because all engines work on the same principles I have a habit of treating them all the same, if there is a piston its the same no matter what displacement or manufacturer. However there are notorious exceptions, the LT1 and early LS engines are in the group of notory exceptional. Both have major issues as Chevrolet was trying to figure out how to make a 2jz out of the small block chevrolet. Essentially it took them from 95 to 01 to figure it out, but then they got it. The design of the 02+ LS engine block is similar to the Toyota 2jz and nissan sr20 in terms of it's girdle and pan support, which allows any 02+ Truck engine to handle 600-700rwhp easily as with the 2jz, reliably for 20+ years. I have one in my car right now LM7 200,000 miles 600rwhp daily driver, perfection at last (sig details build). Furthermore the electronics finally smoothed out, resemble the 1992-2002 Toyota/Nissan variants also 'copied', as all vehicles eventually figured out the overhead MPFI sequential EFI and Coil over plug system is robust, ideal. Far far far away from distributor and *cough* optispark. Sorry guys if its harsh but this is my 25 years of building and tuning vehicles for daily drivers, usually 500rwhp is a minimum for me to tune the vehicle at the price I charge and LT1 early LS stuff and most corvette engines I avoid for various reasons, they are not robust enough, I cannot warranty them. I would not tune or trouble with an LT1 or early LS design because it is a fools errand. I will only seek help their owners maintain and clean them.
oh yes,
I remember as a young boy laying in my bunk beds ( with no brother to share the bottom with ) all I would dream about was that one day , if I eat my vegetables and fulfilled my aspersions of being a astronaut/ cowboy . I would one day own a 1992-2002 Toyota/Nissan !!!!
Yes !!! How could the big kids at the bus stop pick on me then ! When , I wisp by in a Corolla !!!! I will show them !!! Bwahahaha!
Then real life came to be , of course I out grew the bunk beds and never found a school for Astronauts slash cowboys ! So , I just put away those far fetched dreams of my 1992-2002 Toyota/Nissan !!
I had to settle for a 1995 514hp/ 499 ft heart beat of America’s Chevrolet Corvette !! I tried to compensate for my lost childhood dream of owning my 1992-2002 Toyota/Nissan ! By adding a 200 shot wet nitrous system . Yet with my Corvettes backwards cooling and powdery dust filled inners it was still not a 1992-2002 Toyota/Nissan !
I dont really care about cars. I am not a JDM fanboy. I will never own a corvette type of car. I think the style of corvette and exotics is pretentious, it pretends to be fast, tries to look fast , tries too hard, and it will eventually get beat by something that looks very slow and might hurt somebody's feelings. I don't wana be that guy. Maybe I am just scared to lose a race in a car that looks like it should never lose a race.
Must mean , it will make me out to be that I'm a bad driver. Can't let anybody know that I'm such a bad driver, now.
I know what really fast is, and it isn't a car of any kind that is for sure. Ground based vehicles do not deserve to look so stylish and sleek as they do. And it just gets faster and faster as the years go by. Like a game.
Freakin 90's supras man, even just this stock one. You can kind of tell Toyota was holding back with the front end, it tries not to look like a fast car.
But still, you can't help because of it's reputation, thinking that it could be fast. Too many people love this car style.
And what was Nissan thinking in the 89' with the skyline? All wheel drive- you gota be kidding me. What kind of stupid mess is this.
At least the Nissan Silvia is straight RWD only. But way too bad *** looking, its trying too hard to be a Corvette I think.
And just like with Corvette it only gets faster looking as the years go on. 1999 Nissan skyline, people love this silly R34 model thing, they come from all around the country to get this car even if its illegally imported they pay 100k
Even the baby version automatic taxi-cab turbo RWD engine looks too fast to be true, this car is for Japanese women to drive.
I don't understand the fascination. But there are plenty of people out there that do fascinate with corvette and skyline and supra similarly. On the JDM forums they are known as fanboys. I am not sure what the equivalent Corvette nomenclature would be. I do not call people names on the internet so it never occurred to me. At the end of the day it is merely a childhood, dreaming, wishing, desire, that evokes feelings a human may endure. And I do not disparage them for that. I Help Everybody, no matter what type of car, no matter what type of engine, all people deserve to be treated as I expect to be treated, and that pay it forward for you guys.
I dont really care about cars. I am not a JDM fanboy. I will never own a corvette type of car. .
Another keyboard cowboy that invades a forum to spew out their particular brand of bullshit. This falls into the class of he who shall not be named. From this point forward, don't do any response and maybe it will go away.
I dont really care about cars. I am not a JDM fanboy. I will never own a corvette type of car. I think the style of corvette and exotics is pretentious, it pretends to be fast, tries to look fast , tries too hard, and it will eventually get beat by something that looks very slow and might hurt somebody's feelings. I don't wana be that guy. Maybe I am just scared to lose a race in a car that looks like it should never lose a race.
Must mean , it will make me out to be that I'm a bad driver. Can't let anybody know that I'm such a bad driver, now.
I know what really fast is, and it isn't a car of any kind that is for sure. Ground based vehicles do not deserve to look so stylish and sleek as they do. And it just gets faster and faster as the years go by. Like a game.
Freakin 90's supras man, even just this stock one. You can kind of tell Toyota was holding back with the front end, it tries not to look like a fast car.
But still, you can't help because of it's reputation, thinking that it could be fast. Too many people love this car style.
And what was Nissan thinking in the 89' with the skyline? All wheel drive- you gota be kidding me. What kind of stupid mess is this.
At least the Nissan Silvia is straight RWD only. But way too bad *** looking, its trying too hard to be a Corvette I think.
And just like with Corvette it only gets faster looking as the years go on. 1999 Nissan skyline, people love this silly R34 model thing, they come from all around the country to get this car even if its illegally imported they pay 100k
Even the baby version automatic taxi-cab turbo RWD engine looks too fast to be true, this car is for Japanese women to drive.
I don't understand the fascination. But there are plenty of people out there that do fascinate with corvette and skyline and supra similarly. On the JDM forums they are known as fanboys. I am not sure what the equivalent Corvette nomenclature would be. I do not call people names on the internet so it never occurred to me. At the end of the day it is merely a childhood, dreaming, wishing, desire, that evokes feelings a human may endure. And I do not disparage them for that. I Help Everybody, no matter what type of car, no matter what type of engine, all people deserve to be treated as I expect to be treated, and that pay it forward for you guys.
I don't own cars but I setup and tuned them. Over 25 years I helped people to build and then tuned hundreds of cars including all manner of chevrolet, subaru, nissan, toyota, mazda, anything worth doing. I am the top engine tuner in the country, people bring their cars from out of the country sometimes just for tuning. I get 5k to setup and tune a car and that is not including labor. I've never had an engine failure because I am too careful setting up and I don't take jobs where I cannot account for every detail.
Last corvette I worked on was a C3 I helped a guy remove the crossfire and put a carb on it so he can drive it like a normal car again finally.
I do most of my work like that for free just to help people, if they can't afford it I do free. I only charge the big players.
I don't own cars but I setup and tuned them. Over 25 years I helped people to build and then tuned hundreds of cars including all manner of chevrolet, subaru, nissan, toyota, mazda, anything worth doing. I am the top engine tuner in the country, people bring their cars from out of the country sometimes just for tuning. I get 5k to setup and tune a car and that is not including labor. I've never had an engine failure because I am too careful setting up and I don't take jobs where I cannot account for every detail.
Last corvette I worked on was a C3 I helped a guy remove the crossfire and put a carb on it so he can drive it like a normal car again finally.
I do most of my work like that for free just to help people, if they can't afford it I do free. I only charge the big players.
You guys I am helping for free.
You removed the crossfire and put a carb on it ? Sounds like the logical choice for any master engine builder/ tuner. 🤣
I don't own cars but I setup and tuned them. Over 25 years I helped people to build and then tuned hundreds of cars including all manner of chevrolet, subaru, nissan, toyota, mazda, anything worth doing. I am the top engine tuner in the country, people bring their cars from out of the country sometimes just for tuning. I get 5k to setup and tune a car and that is not including labor. I've never had an engine failure because I am too careful setting up and I don't take jobs where I cannot account for every detail.
Last corvette I worked on was a C3 I helped a guy remove the crossfire and put a carb on it so he can drive it like a normal car again finally.
I do most of my work like that for free just to help people, if they can't afford it I do free. I only charge the big players.
You guys I am helping for free.
I know a couple of who I believe are some of the best tuners in the nation.......... Alvin Anderson of PCM for Less, and Ed Hutchins Hi Tech tuning.
How about sharing the name of your company, and, or your name with us.
