so import went sr over ka.

Dream about your 240's turbo power in this forum.
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Post by Jmcc »

smracing wrote:If you look at power/weight, both cars are slow. 1200hp at 2300 lbs should go quicker than 7.40.

yea they should. but my brother talked to the guy when they were out at the track.
he asked him how was the chassis setup the guy said horrible. why didn't really say but the rhd drive set up.
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Post by boker240 »

how is the chassis set up sh*t?? its a full tube chassis.
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He'll probably blow the motor, and then join the army of retards who hate on KA's for no good reason.
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Post by Jmcc »

its prolly the suspension set up on a rhd chassis. alot of ppl only know how to tune lhd but not rhd.


and i have seen ppl change chassis and with the old motors and suspension be able to go faster. just cause its tube chassis don't mean nothing
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Post by TinyT »

this thread is retarded. cant tune a rhd chassis? wtf are you talking about haahahhahaaha
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Post by TinyT »

boker240 wrote:ofcorse! but it would have run faster than the best time they produced.
sure, maybe a couple hundreths
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Post by Jmcc »

TinyT wrote:this thread is retarded. cant tune a rhd chassis? wtf are you talking about haahahhahaaha
i never said tune the chassis. suspension! instead of the driver on the left side of the car to compensate for the torque of the motor on the launch.
its a little harder to due so on a rhd car vs. a lhd car
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Post by Jmcc »

but dose import even enter that car in events. if so dose eny body know the rules on the displacement. may only be limited to 2.2l
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Post by tom550 »

They just put 2 pictures of their 40. One of the hood and one of the sr. It looks sexy I'm not Gona lie.
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Post by NPD »

so can someone tell me if they were on methanol for their 1100hp or 1300hp?
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Post by tom550 »

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i booed them. lol
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Post by nelson240sx »

i want to see what they can do with it....I wonder how radical their head porting on the ka was? If you can get a engine to handle 65lbs of boost they should make 1000+hp
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Post by trk240sx »

Weight?? Every pound and tenth of a second adds up at the long end of the track. Personally I love the cast block of the KA, kinda of wish they had a cast head to. In my opinion Aluminum is to prone to heat warpage if you accidently over heat. In a way, I sort of hope it FAILS them going with the SR. In another way, it is a Nissan 240, and if its wicked fast, I will have to like it.
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Post by Jmcc »

that block is filled so i don't think they have to worry about it warping. or over heating.

i would really love to see it out perform the old motor.
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Post by efeezi »

^ you would rather have a cast iron head? haha
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Post by Jmcc »

it would prolly be better than are pot metal heads.
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Post by TinyT »

Jmcc wrote:it would prolly be better than are pot metal heads.
A. i dont think anyone has had a problem with the material of it

B. it would just add weight

C. good luck finding someone who still practices the art of cast iron head porting.
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Post by Jmcc »

TinyT wrote:
Jmcc wrote:it would prolly be better than are pot metal heads.
A. i dont think anyone has had a problem with the material of it

B. it would just add weight

C. good luck finding someone who still practices the art of cast iron head porting.

lol don't bank on me trying to get that done. and watch me spend money on something so f**king useless
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Post by trk240sx »

The only major difference between aluminum and cast iron, is weight, and heat displacement. If you had two heads that were identical with the exception of the material they were made of, they would flow exactly the same. Personally I would prefer this http://www.rlengines.com/Web_Pages/extrudehone.html but its pricey.
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Post by Jackasknissan »

fyi from everey thing ive read, and been told by engine builders, cast iron detonastes as a lower threshold, so its just a bad idea imo...
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Post by Kfred »

Aluminum is a much better conductor of heat than iron.

My heat/mass/momentum transfer book gives the following thermal conductivities (k) @ 212/572 F
Iron = 39/31.6 Btu/(hr*ft*F)
Aluminum = 133/133 Btu/(hr*ft*F)

Welty, Wicks, Wilson, Rorrer, "Fundementals of Momentum, Heat and Mass Transfer" 5th Ed, 2008.

Heads aren't pure aluminum and cast iron isn't pure iron, but you get the picture.

Resistance to heat transfer is proportional to (1/k)
Conclusion:
Cast iron = **** for performance cylinder heads
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Post by Jackasknissan »

do chime in on my oiling thread sir, you might actually be able to answer my questions.
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Post by BRAD D »

my bet isthey went SR for the rpm, with a huge turbo you need huge rpm or displacement to getup in the boost. im sure you could build a SR to hit 11,000rpm+but a KA would never do it unless you destroked it.

they are also at the point where they need a sleeved and filled block.. so who cares what the block starts out... and i bet the SR takes the sleeves better, the bore centers are wider i bet, so more room for sleeve.
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Post by BRAD D »

this is what it takes to be king 4cly

huge rpm

http://www.youtube.com/watch?v=oHv_jKJVQ-Q

or huge displacement, stock this motor is 2.7 from the tacoma

http://www.youtube.com/watch?v=djNAtqcwmzI
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Post by TinyT »

BRAD D wrote:this is what it takes to be king 4cly

huge rpm

http://www.youtube.com/watch?v=oHv_jKJVQ-Q

or huge displacement, stock this motor is 2.7 from the tacoma

http://www.youtube.com/watch?v=djNAtqcwmzI
this is true, my good friends 4g63 spun to 11k with his custom 42r.

http://www.streetfire.net/video/dsm-com ... 092609.htm
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Post by Jmcc »

i could only see a little bit of the first video. i have seen that car before.

i can't get on any thing els wile at work. whats the dicplacement on that eclipse?
nhra might limit the dicplacement on those car's. maybe why dps when to the sr?

and you know they have over 100k in just the chassis so you can only imagine the money in those motor's.
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Post by drunknmunky »

you guys think I could rev 11k???

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Post by Kfred »

drunknmunky wrote:you guys think I could rev 11k???
Only one way to find out! However, no I do not think you can rev to 11k safely for any amount of time unless that beauty is destroked.

Is that a stock stroke crank or a stroker crank? Either way i'm jealous.
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Post by TinyT »

Kfred wrote:
drunknmunky wrote:you guys think I could rev 11k???
Only one way to find out! However, no I do not think you can rev to 11k safely for any amount of time unless that beauty is destroked.

Is that a stock stroke crank or a stroker crank? Either way i'm jealous.
exactly. iv looked into this and the piston speed is just too much
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Post by drunknmunky »

So the pistons' would go? or the rods?

what about all those ingenious anti-friction coatings like WPC.
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Post by Kfred »

If you could get it to spin to 8500rpms reliably and get your torque to hold on till then, you can make a pretty nasty power band with the stock displacement.

The hta gt3586r has put down a hair over 700whp on a few occasions. I could imagine that turbo coming on around 4500rpms and singing till around 8500rpms. I would kill for a 600whp 4 cylinder with a 4000rpm powerband.
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