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perthute
Re: eta's on 1/4 mile datsun 1200 ute wit near stock ca18det
#33
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a lot of people run full boost just for the drag strip

if you think of all the monie you need to spend to make a sr20det go quick ( eazy 5 grand ) where i can just turn up the boost and run good times , if i blow a hole in a piston ect ect parts are cheap

so you might think its dumb but i think its a very smart mod as long as you under stand it can go wrong , but all fast cars can have things break .

has i have said before full boost for one year did 15000kms and nothing when wrong .

on the ca18det i might only use full boost just for the drags as ca18dets are getting rare compaired to sr20s

Posted on: 2007/12/20 0:38
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L18_B110
Re: eta's on 1/4 mile datsun 1200 ute wit near stock ca18det
#32
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Quote:

perthute wrote:
theres a vac line that goes to the turbo if you block it off the turbo gets as much psi has it makes . i block it off with a lil screw

we put a boost gauge on the sr20 and it made over 18 psi

the same line that i block to get full boost is the same one that people hook there boost bleed valves too

does that clear it up ?


vacuum line you say? lol

nah, it sounds like a very sensible mod. Makes you wonder why Nissan bothered having a wastegate at all.

Posted on: 2007/12/19 23:38
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perthute
Re: eta's on 1/4 mile datsun 1200 ute wit near stock ca18det
#31
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had it for a year on full boost

neva dyno . as long as theres no detonation i reckon its ok

Posted on: 2007/12/19 9:20
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Daveman
Re: eta's on 1/4 mile datsun 1200 ute wit near stock ca18det
#30
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Quote:

perthute wrote:
theres a vac line that goes to the turbo if you block it off the turbo gets as much psi has it makes . i block it off with a lil screw

we put a boost gauge on the sr20 and it made over 18 psi

the same line that i block to get full boost is the same one that people hook there boost bleed valves too

does that clear it up ?


18psi is way too much for a stock turbo/injector combination on an SR20. Have you had the car on a dyno to check mixtures at this boost level? I'm guessing it will be very lean.

Posted on: 2007/12/19 7:28
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Mildman
Re: eta's on 1/4 mile datsun 1200 ute wit near stock ca18det
#29
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But surely 1/4 miles have to do with more than engine power....like suspension and tyres....that could be the difference between some of the more modern cars.

Posted on: 2007/12/19 5:49
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perthute
Re: eta's on 1/4 mile datsun 1200 ute wit near stock ca18det
#28
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theres a vac line that goes to the turbo if you block it off the turbo gets as much psi has it makes . i block it off with a lil screw

we put a boost gauge on the sr20 and it made over 18 psi

the same line that i block to get full boost is the same one that people hook there boost bleed valves too

does that clear it up ?

Posted on: 2007/12/19 5:23
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L18_B110
Re: eta's on 1/4 mile datsun 1200 ute wit near stock ca18det
#27
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wtf is "full boost"

Posted on: 2007/12/19 5:08
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perthute
Re: eta's on 1/4 mile datsun 1200 ute wit near stock ca18det
#26
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stock 180sx sr20det but with a fmic and full boost= 13.5 quarter mile / datto stock ca18det with fmic and full boost = ????????

i class modified as parts like turbo injectors fule pump forged pistons head work .

if a car has fmic or pod filter / milo tin i dont class it has a modified car .
every one is different tho

Posted on: 2007/12/19 1:47
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L18_B110
Re: eta's on 1/4 mile datsun 1200 ute wit near stock ca18det
#25
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sorry, forgot how turbo owners work for a mintue there.

Posted on: 2007/12/19 0:59
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perthute
Re: eta's on 1/4 mile datsun 1200 ute wit near stock ca18det
#24
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my 180sx is stock,stock turbo stock ecu ect ect

has a fmic and on full boost for the drag
i call that stock every one has fmic




Posted on: 2007/12/19 0:41
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