Twincharged Civic Hatchback
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I completed this build a while back but the owner finally came back in the states so we went to get some tuning done on it. heres some build pics and vids of the car.
ls block (bored/stroked, sleeved, 8.5:1 pistons, and h beam rods) gsr head (hog ported, lightened valvetrain, stock cams) mp60 supercharger from a jackson racing kit t3 60-1 with .82 hotside and anti surge shroud 38mm tial dumping and a 3 inch exhaust with single muffler aem ems with 880's garrett core intercooler in backdoor config with tial bov the supercharger is bypassed once the turbo builds near full boost in hopes to keep the top end lively and still keep the low end grunt to get the turbo to spool. coming out of 30-40 mph corners there is hardly any lag and 50 mph corners there is no lag what so ever. dynoed on 93 octane Attachment 14577 Attachment 14578 Attachment 14579 Attachment 14580 Attachment 14581 Attachment 14582 Attachment 14583 Attachment 14584 Attachment 14585 Attachment 14586 Attachment 14587 Attachment 14588 Attachment 14589 Attachment 14590 Attachment 14591 Attachment 14592 Attachment 14593 Attachment 14594 Attachment 14595 Attachment 14596 Attachment 14597 Attachment 14598 Attachment 14599 Attachment 14600 http://www.youtube.com/watch?v=bnrNzZuXOjg http://www.youtube.com/watch?v=CVD8TLr-rHs converted from an auto x car to a nasa tt car/scca hillclimb car. the owner is planning on running one lap with it also. |
Re: Twincharged Civic Hatchback
So...what'd it dyno at nog?! I heard someone say 420 or something in the vid. I would assume this is Roger McDaniel's old SC setup, as the bypass looks exactly the same, and I know the new owner was overseas for a while. IIRC Roger's B16 made something like 370whp with a fairly big turbo and the SC.
I'm surprised you guys didn't go with a full-T4 setup, something like a divided .58ar, p- or q-trim. But then again its a roadrace car, and probably won't run wrinkle-walls. :1 If you can, please post the dyno graph...that would be tits. :) |
Re: Twincharged Civic Hatchback
1 Attachment(s)
yep its his old setup, the bypass is completely different though....
Attachment 14562 yep thats the car. it make 441 whp and somewhere around 340 ft pounds on 93 at 25 psi. the owner of the dyno said that their numbers on that dyno read 35-45 lower than just about every other dyno. i can talk to the owner and see if i could get the dyno from it but like i said earlier its not reading completly accurate. i would love to get it on another dyno and get some 110 in it and accually try to make some power. this turbo can make alot more power if we want it too. as for the turbo choice, its really quite hard trying to pick a good one for this setup since its so off the wall and no one has done it so we took the cheapest route and would run it a while so we can get a feel for what the car would like to use for later on. |
Re: Twincharged Civic Hatchback
this thing eats up 2nd gear >:D
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Re: Twincharged Civic Hatchback
very nice build, but that mani looks like it hangs the turbo too low.
got any pics of the oil return set-up. how did you bypass the supercharger? |
Re: Twincharged Civic Hatchback
yea the return is deffinetly borderline. debated a return pump but thought we would give this a try first. its downhill and very short and has about 2 inches of straight for it to go down first. seems to be working well.
cut a hole in the intake manifold after the supercharger with with a throttle plate that opens with a boost activated acuator. air takes path of less resistance, preso. |
Re: Twincharged Civic Hatchback
SOLID
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Re: Twincharged Civic Hatchback
well played, sir
interesting build |
Re: Twincharged Civic Hatchback
sweet setup man.
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Re: Twincharged Civic Hatchback
Cool setup! I would like to see the dyno graph to see the curves.
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