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Solved my boost problem!!! OH MY GOD THAT'S POWER!!!

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  • mario88ss
    replied
    Were did you get your pistons and how $$$$...........I need to get me some.

    The BRC group buy over at 88hybrid went to shit after 4 month of waiting. Now I need to find me some forge pistons to accept my TT eagle rods.

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  • t70
    replied
    Dan-TSS wrote: Based on the picture, and my measurements on a car here....that intercooler core you have now must be in the ballpark of atleast 23"L x 12"H x 3"D.
    I'd say the size is more than sufficient for what you are using.
    :shock:
    Indeed... it was intended for the supra and that was supposed to be going to at least 500 hp.

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  • mario88ss
    replied
    Cool Thanks for the pic

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  • Dan-TSS
    replied
    Based on the picture, and my measurements on a car here....that intercooler core you have now must be in the ballpark of atleast 23"L x 12"H x 3"D.
    I'd say the size is more than sufficient for what you are using.
    :shock:

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  • t70
    replied
    OR-Zman wrote: Ive got to say when it comes to finding creative resolutions to problems I have to give you an A.

    Be careful with that scoop hitting parking curbs and such but I like the idea.

    btw- I thought you finished the intake/hood already. Perhaps I was just remembering a picture in my mind or something...hard telling. :roll: I look forward to seeing the finished product since the vision I have in my head seems to be completely my own. :shock: hehehe
    Thanks for the compliment... and the warning about curbs. As for the hood with it's twin intakes... only one functions right now -- the other is going to be a vent to the engine bay for now (that may change next year if we decide to go to ludicrous horsepower for the drag strip). The end result -- i never properly finished the body work up top there.. it's just primered for now so that i could work on other things that were a little more pressing. At some point in the future I'll be completely finishing them and getting it properly painted.

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  • OR-Zman
    replied
    Ive got to say when it comes to finding creative resolutions to problems I have to give you an A.

    Be careful with that scoop hitting parking curbs and such but I like the idea.

    btw- I thought you finished the intake/hood already. Perhaps I was just remembering a picture in my mind or something...hard telling. :roll: I look forward to seeing the finished product since the vision I have in my head seems to be completely my own. :shock: hehehe

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  • t70
    replied
    that is true... but don't forget the advantage a turbo'd engine has with respect to cylinder scavenging and fuel atomization because of the more turbelent air.

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  • Alex86na2t
    replied
    t70 wrote: It's a t70 that i baught from a guy who was going to use it on his civic... so the exhaust a/r is small (0.63 as i recall) but I have had the boost at 9 psi and never slipped the clutch even in fifth... so I'm fairly certain that i should be able to push quite a bit more than that. Now, correct me if i'm wrong but if i run 15 psi then i should theoretically double my engine horsepower from what it would be in N/A trim. I.e. -- if the engine has 160 hp to start then i would have 320 hp at 15 psi assuming that the exhaust side of the turbo has good flow. Now, because this is a t70 and not a t3 then maybe an increase of say... 40 hp on that at 15 psi? Those 420cc injectors should easily handle 400 hp and so i should be able to run about 17-18 psi before i start running out of fuel... So.. at the end of this my real question is -- is this out to lunch? Should i be at a lower final boost pressure? Any help is more than appreciated -- i really don't want to re-ring my engine or replace pistons and rods.

    Thanks for all the help you guys have given me throughout this build!
    That would only be true if you had the same efficiency. For example, the same exhaust efficiency, compression ratio, intake efficiency, and also the cold side of your intercooler piping must be the same as ambient temp. Meaning that your intercooler must have 100% flow with over 100% efficiency.

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  • t70
    replied
    Well i solved the fuel problem -- the suction line i have in the tank is slightly higher than the stock in-tank fuel pump was and won't work properly under 1/4 tank... so --- i'll have to fix that. Other than that I noticed an increase in engine temp with the larger intercooler so i built a scoop for the rad under the intercooler.. here's some pics of the progress.






    Photo Sharing - PicTiger

    The first picture is before welding in the scoop, and the second and third pictures i hadn't leveled out the scoop yet, but i since have and it's now straight and centered.

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  • mario88ss
    replied
    Post picture of your current set up. I will like to see that big intercooler in the Z :shock:

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  • SATAN
    replied
    craZed wrote: I have cut a fuel pump access into the floor board.
    I can change my fuel pump in less than 5 minuites.
    +1^ on that. screw that dropping the tank shit

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  • G-E
    replied
    and like *I* mentioned before, use another fuel sender cover

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  • t70
    replied
    lol! that's what i was thinking of doing actually... and make the hole large enough that i can access the external fuel pump too.... but i'll need to make a panel to cover it again or something...

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  • craZed
    replied
    I have cut a fuel pump access into the floor board.
    I can change my fuel pump in less than 5 minuites.

    Leave a comment:


  • t70
    replied
    That's the plan for tomorrow.. just gonna try and solve the fuel suction/filter problem (pretty sure it's the suction line as it is somewhat soft) Then I'll start tuning again. I originally mounted the walbro inline under the passenger wheel well, but i had to make some interesting fuel line loops to do it. Thinking i might change the location so that it's closer to the steel suction tube going into the tank... wee i get to empty the fuel tank tomorrow -- again. Oh well... this is a steep learning curve but by the end of it.. i'll know more than i do now and the next car i build -- i.e. my 85 supra, or my buddys 92 eagle talon-- will be easier and faster to tune.

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