JasonTX Options

[JasonTX]

i've always been an admirer of this gen celica and toyotas in general. i have a 91 turbo mr2 and after selling my 93 alltrac i thought another daily would be nice. i dont really know much about the 5s motor. but after some research and about a half year of looking for a 6gc i finally found one.so last friday and made the couple hundred mile trip from houston to austin and back to bring it home. its a black 94 GT hatchback. the car had been in storage for 2 years but after a battery change and a fresh tank of gas it started right up and made it all the way home without a hickup. My primary purpose for the celica is to have a comfortable, sporty looking and reliable car i enjoy driving. thus far i'm not dissapointd its smoother and quieter than any of my previous vehicles, plus more fuel efficent and after the tune up i can determine nothing wrong with the motor.


i've talkd to many on the forums while searching for my car and options for it, and am glad to have found a place where so many enthusiasts are willing to offer their advice and share their knowledge.like many others here i wanted to start cataloging my progress. both to se how far my car has come and to try and offer something back to the community

so thanks to everyone who has helped me out. feel free to comment or offer suggestions and pics and writeups of my progress will be coming soon

peace

-jec





This post has been edited by JasonTX: Mar 24, 2010 - 9:05 AM

[JasonTX]

Congrats man! That's motiving me, can I come see if when u work on it next?

sure man. i'm not there a scheduled time just when i can break away from work on mondays till around 5 since its 100 mile trip back to the house. i'll text ya and let ya know when i'll be there next

Oh my god you've been holding out on us! Such a clean build!

I really like how you handled the water injection. Aren't you concerned the nozzles are too close to the chambers? And how are you controlling the flowrate?

thanks, Not holding out though just not at home much with my summer work schedule. i took a lot more step by step pics but posted these mostly as a review of what i've done since april. Eventually i'll go back and do how to's and part numbers for individual parts of the build.

i actually wanted to move them closer to the base of the manifold and get it right at the head. But the way the runners are cast, some of the other stuff gets in the way. Ive read different theories about this and spent some time talking to Texas_ace, greg at aquamist, the other engineers at work and the aircraft mechanics over there at the hangar who do this with their ww2 era airplanes(btw check out the lone star flight museum for some cool examples of ww1 to modern aircraft and the texan crews that few them.)

It seems that nozzle placement is largely gonna be dependant on your goals. to cool the intake charge 1 nozzle after the IC and before the TB makes a lot of sense.(and saves a bunch of money) but equal distribution is a bit harder to achieve with that approach. Alternatively going direct port solves the unequal distribution problem but at much greater cost and with only marginal gains and a good chance that the water wont have enough time to absorb sufficient kiloJoules of heat to convert into steam before the combustion chamber. But because the intake track is very short with the TMIC and this is primarly a knock suppression system i went direct injection with small nozzels so that in a tuning situation i dont have to worry about insufficent supression in 1 cylinder and oversaturation in another.

as far as flow rate i was at first thinking progressive controll but read some intresting stuff about pump stall at lower current with progressive controllers on shurflo pumps(which i have) so i'm connecting the selenoid and pump to a simple switch and going single stage. I'll post the link if i can find it

some interesting reading below

http://www.mr2oc.com/showthread.php?t=437574
http://cultofmini.com/technical-papers/int...ection-systems/
http://www.usrallyteam.com/index.php?main_...mp;cPath=68_259