topmount assistance

For the RWD SR20DET cars! Sponsored by Wiring Specialties.
johnnyappleseed
Posts: 92
Joined: Mon Dec 22, 2008 9:04 am
Car: s14 240sx with s13 sr20det

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okay i am wanting to go topmount t3/t4 with peakboost mani. i want to know what supporting mods and what psi i should have to run for it to be safe without blowing motor? i have searched other peakboost mani users to see there setups. sl any help would be appreciated. oh my motors internals are pretty much stock.


V8slayr
Posts: 104
Joined: Wed Feb 04, 2009 1:21 pm
Car: 97 240sx

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I ran a Peakboost manifold and T3/T4 50 trim and unfortunately mine only lasted a week (OUCH). Don't let this scare you tho, I am pretty sure my tune/timing was off a bit. And I pretty much installed my setup and began beating the s*** out of it immediately after without really working all the kinks out.

I would think you would know what supporting mods you will need from reading on this forum. (injectors, tuning system, FMIC, etc).

Anyway, mine let go at 15 psi. There is no certain number that your motor is gonna blow at. It all revolves around the quality of tune and condition of your motor. Generally on a good motor/tune the SR is good for around 400rwhp pretty reliably. A friend of mine just put down 401 @ the wheels on his 2871R @ 19 psi and has been making close to that horsepower for a while now.

Anyway, it feels as if I'm repeating what has been said a billion times on this forum already. Search, Search, Search... you will find all the info you are looking for.

johnnyappleseed
Posts: 92
Joined: Mon Dec 22, 2008 9:04 am
Car: s14 240sx with s13 sr20det

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well i understand that i have front mount going to go 555cc injectors and apexi power fc. what i am asking is internals. what will i need to internals to prevent any damage? i have read head gasket for example

Logan76
Posts: 7983
Joined: Thu Mar 30, 2006 6:06 am
Car: Junk

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nothing man, If you have a strong running motor and have the correct supporting mods you should be fine. Those Inj. would be good for maybe 370hp, thats bumping base pressure. I think your safe to go ahead and get tuned with your new turbo kit and injectors and give her hell.

johnnyappleseed
Posts: 92
Joined: Mon Dec 22, 2008 9:04 am
Car: s14 240sx with s13 sr20det

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i am aiming at 350 for now so that should be fine. i knew that the block is good to about 450. but if there were any weak spots. thanks for the quick response.

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pauliedrft
Posts: 471
Joined: Tue Oct 07, 2008 12:06 am
Car: 91 240sx

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now what i want to know is on stock everything but a t3t4 on a notch top how much boost .If know body knows i will be finding out but with wide band and other monitoring stuff like avcr ,and gauges so please dont bash just help .Thanks (sorry for thread jacking but it seemed relevant )

johnnyappleseed
Posts: 92
Joined: Mon Dec 22, 2008 9:04 am
Car: s14 240sx with s13 sr20det

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no prob seems pretty relevent.

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pauliedrft
Posts: 471
Joined: Tue Oct 07, 2008 12:06 am
Car: 91 240sx

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rocker arm stoppers you can never have enough safety protocol on your set up , everything works together .Do you have wide band or any monitoring type stuff ?

johnnyappleseed
Posts: 92
Joined: Mon Dec 22, 2008 9:04 am
Car: s14 240sx with s13 sr20det

Post

i am going to get the apexi pfc. at a later time i will get the wideband later. oh and i already have rocker arm stoppers

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pauliedrft
Posts: 471
Joined: Tue Oct 07, 2008 12:06 am
Car: 91 240sx

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Wide band really isnt that expensive ebay for like 200 shipped .6/1 gague good investment . http://cgi.ebay.com/ebaymotors...ories

johnnyappleseed
Posts: 92
Joined: Mon Dec 22, 2008 9:04 am
Car: s14 240sx with s13 sr20det

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on those is it pretty much just pug in? and i dont need any other aem supporting stuff to run it do i?

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pauliedrft
Posts: 471
Joined: Tue Oct 07, 2008 12:06 am
Car: 91 240sx

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http://www.aempower.com/ViewCa...ID=67

just read up on it there good stuff and not to expensive .i nabbed mine from a friend for 150.00 i got lucky .new and never used .They are worth the money and i asked a friend since i have wide band should i get a egt gauge he said no it would be a waste of money cause you can keep it a little rich and know your rich and keep your temps down .Come with everything you need .


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