what engine for reliable 250-300hp

zacmk1 · Postby **zacmk1** » Mon Oct 13, 2014 10:23 am

I have a 92 na6 and im wanting to get a reliable 250hp to 300hp. Just wondering if a built 1.8 turbo'd would be alright for that or would i be better off going for a sr20 swap instead. And if anyone knows the cost of building a 1.8 compaired to an sr swap. Thanks

manga_blue · Postby **manga_blue** » Mon Oct 13, 2014 11:04 am

Why stop at 300hp?

http://www.trucksales.com.au/buy/detail ... 9092C94880

zacmk1 · Postby **zacmk1** » Mon Oct 13, 2014 11:09 am

Thats my starting point. If i had no money restrictions id be aiming a lot higher

Magpie · Postby **Magpie** » Mon Oct 13, 2014 11:26 am

Go the SR20 swap. The important question is what is your budget and how long are you planning to take?

oztrackdays · Postby **oztrackdays** » Mon Oct 13, 2014 11:27 am

Key Questions.

Budget ?

Street Legal or Not ?

What does reliable mean to you ? (20-30 hours of operation is super reliable in some worlds)

zossy1 · Postby **zossy1** » Mon Oct 13, 2014 11:35 am

250whp is easy with basic internal upgrades to a BP (rods, pistons and if you're keen, valve train) and a Disco Potato.

For reliability, add an oil cooler, Boundary oil pump, and a cross flow radiator with a coolant reroute.

This will be cheaper and easier than an engine swap.

zacmk1 · Postby **zacmk1** » Mon Oct 13, 2014 2:45 pm

I will still want it to be street legal. As for my budget ill probably be around 10-12k but thats including diff and driveline etc.
Timeline doesnt really matter though id rather it not be more then a few months.
Thanks for your replies

davekmoore · Postby **davekmoore** » Mon Oct 13, 2014 2:50 pm

bruce · Postby **bruce** » Mon Oct 13, 2014 3:21 pm

Sell the MX and buy something different.
Unless u want to spend a mint…

oztrackdays · Postby **oztrackdays** » Mon Oct 13, 2014 3:23 pm

Might be easier to sell yours and just buy an SE they are going backwards in price.

Street legal and in an NA6 you will likely need significant brake upgrades etc ...

LS1 or any engine above 3.0 litres is out for the NA/NB

A.Chen89 · Postby **A.Chen89** » Mon Oct 13, 2014 3:49 pm

Allow 1-1.5k for engineering to make it legal. Turbo b6/bp with Nb8b brakes should pass easily

project.r.racing · Postby **project.r.racing** » Mon Oct 13, 2014 5:05 pm

$10-15K is someone else is doing the work.

zacmk1 · Postby **zacmk1** » Mon Oct 13, 2014 6:26 pm

Sweet cheers looks like ill be going with the bp

davekmoore · Postby **davekmoore** » Mon Oct 13, 2014 6:54 pm

or sell NA, buy SE with intake and exhaust already done, replace the turbo, injectors and ECU with proper ones supplied by one workshop who give you a fixed price for the whole job, finished, within an agreed timescale. Stay under 10psi unless/until you do the bottom end and the cooling.

zossy1 · Postby **zossy1** » Mon Oct 13, 2014 7:00 pm

davekmoore wrote:or sell NA, buy SE with intake and exhaust already done, replace the turbo, injectors and ECU with proper ones supplied by one workshop who give you a fixed price for the whole job, finished, within an agreed timescale. Stay under 10psi unless/until you do the bottom end and the cooling.

That's a fair bit more than $10-$12k, even with selling the NA I'd say...