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Re: Which 2 liter, opinions - goal is 150 RWHP
No life (a.k.a. DattoMaster)
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From Wagga Wagga, NSW
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diff ratios are everything in an n/a car in my eyes pigdog

Posted on: 2012/3/21 7:07
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Ryan(Zigzag) says:
mmmmm men

Jake(tuf-110) says:
i thought you might say that

Ryan(Zigzag) says:
its raining men

Jake(tuf-110) says:
oh its your day
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Re: Which 2 liter, opinions - goal is 150 RWHP
No life (a.k.a. DattoMaster)
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2004/10/28 11:35
From Geelong, Vic
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yeah unfortunately lower than 4.11 ratio gears were not so easy to find for the r31 diff i was running in it

Posted on: 2012/3/21 7:19
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Re: Which 2 liter, opinions - goal is 150 RWHP
Home away from home
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From Taupo New Zealand
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wouldn't any two litre engine weigh more and upset the handling?

Posted on: 2012/3/21 7:22
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1970 1200 coupe A15
1972 1600 original except for nana's sheepskins
1978 B310 SR16VE
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Re: Which 2 liter, opinions - goal is 150 RWHP
No life (a.k.a. DattoMaster)
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From Melbourne Australia (and likely under the car)
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If you can legally run an sr20 then that'd have to be the pick. They are quite popular in 2 litre sports sedans (well to be fair, plenty of other motors are run too, but they seem to be the front runners, and I'll concede I don't have stats in front of me, it's just the impression I get from what little I've seen of it)

If it's an L series - here's some L series 'porn'

http://www.performanceforums.com/foru ... -L23-Datto-stroker-build-(56k-LOL)

http://www.performanceforums.com/forums/showthread.php?67240840-L23-Datto-stroker-build-(56k-LOL)

That's done by tony knight, of knight race engines (who is also one of the nicest blokes around, in addition to practically having a fleet of front running engines in anything from hillclimb to dirt track speedway.

If you can't view that, it's _well_ worth signing up on peformance forums just for that thread alone. I'll be up front and warn everyone that PF is like the wild west a bit. there's a lot of swearing, a lot of haxing of new guys (though not as bad as it was) but there's some absolute gold in there if you can weather that storm, so to speak. There's nothing stopping anyone from joining and lurking mind you.

Posted on: 2012/3/21 8:03

Edited by jmac on 2012/3/21 9:35:32
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John McKenzie
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Re: Which 2 liter, opinions - goal is 150 RWHP
No life (a.k.a. DattoMaster)
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Haha I got a Bigmuz ban in my first two days, how was I supposed to know the kids driving a Countach was like their most flogged video?

Posted on: 2012/3/21 8:59
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Re: Which 2 liter, opinions - goal is 150 RWHP
Home away from home
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My 2 cents ........
My L series made a genuine 158 RWHP. Genuine because my dyno guy has a very conservative machine .... And I could pass guys who claimed much better figures!
Took a lot of little increases to go from 140 to 158 - attention is in the detail. I now run an SR20 vvl and still miss the old 8 valver sometimes. The torque is the big race car attraction here - from a standing start, uphill, and out of corners she was always punching above her weight and shocked plenty of the modern cars!
As always, intake and exhaust reap the most benefits once you get the head work right.
Plenty of 'old school' knowledge out there for the L series so that would be my pick!
SR is heavier than the L so the choice is a bit easier ....
Cheers

Posted on: 2012/3/21 9:03
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All torque, no traction
A division of "My mate's ....." engineering
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Re: Which 2 liter, opinions - goal is 150 RWHP
No life (a.k.a. DattoMaster)
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2002/7/19 12:41
From sydney australia
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If it has to be era specific, then the only alternatives are the L series engine, or maybe something from the Prince Skyline side of the range. Mucho Donnaros for the last. So L series would be my suggestion. Maybe a worked L18, they're shorter (not much), rev harder & the cranks are fully counterweighted. The horsepower difference wouldn't be much different, just a little less torque. All the same outside bits are the same-ish. Would be in the spirit of the regulations too. My silver Sunny (210) coupe with a stockish L18 with webers & extractors but not much else was almost as quick as the highly tuned A15 in a Sunny sedan. It was dyno-ed at a MASSIVE 50 kw at the wheels, about 75 HP. You could bore the engine out from 75 mm to 77/78 mm's or swap an L20B crank in with 86 mm pistons to get 1996cc's, all for reasonable money. One cam to change, not two. Just a pair of webers, not fuel injection & a computer. PLUS, you'll get all the old guys reminiscing about the L series engine in the P510 they used to drive.
I'm sure half a dozen people on here could provide templates for the uprights, you already have the hydraulic clutch set up that is half the problem here in Australia, & Nissan sold so many cars in America you should be able to pick up an engine easily. You might even be able to get somebody's old race engine as a bonus. Just don't forget to let your wife know that this is all at her suggestion, so she should pay half the cost. On second thoughts, forget that last bit, she'll probably change her mind & start asking why you need to upgrade the motor at all, when that mony could be spent on some new stuff for the house/garden/her hobby

Posted on: 2012/3/21 9:59
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Would it be possible to get a late model Nissan Micra, fit the 1.8 litre motor from a Tiida & then turbocharged it? Your answer must include parts numbers for the conversion. You have 12 months. Commence.
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Re: Which 2 liter, opinions - goal is 150 RWHP
No life (a.k.a. DattoMaster)
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2002/10/28 6:49
From under the Firmament LOL no twiglight effect BS
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L all the way but!!!! L16 is 10kg lighter than L18 and 15-17kg lighter than L20
L16 can easily take 86mm bores and the L18 crankshaft.

I wouldnt waste money on an L series head as they need at least 4-5k clams to
get them to make big numbers my suggestion is Ka24e head FTW.
Stock 150hp and with external mods peeps been getting close to 200hp.
KA24de twin manifolds are available for 48mm webers and also many kinds
of other manifolds for efi and even stock can be adapted to quad aftermarket
bike carbs with lots of other parts from thirds party joints cams, valves etc.

L bottom end and KA24de top end match made in datsun heaven.

Itll be like having an LZ but cheaper
heres a nice writeup there are plenty more!
http://www.the510realm.com/viewtopic.php?f=2&t=3563

Posted on: 2012/3/21 10:44
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"Australia" is formed by all its geographically listed territories "including" Norfolk, Christmas & Cocos Islands. The word include excludes all else before it therefore you have no legal rights.
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Re: Which 2 liter, opinions - goal is 150 RWHP
No life (a.k.a. DattoMaster)
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2002/11/26 0:38
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Here is the story:

Although my car fits the SCCA 1972 rules for C-Sedan at the vintage group I run with C-Sedan is much different rules. So my car runs in GT-Lite which is tube frame silhouette cars from 1973 to 1999.......this encompasses IMSA GTO, GTU, Trans-Am and SCCA GT1 to GT5. The group, VARA, was getting a lot of members with older race cars that were no longer competitive in modern events and they made a place for them. The hitch is that my car must conform to SCCA rules for GT-5 which is now GT-Lite oddly enough.

The SCCA GTL rules list a variety of engine and body styles. Each engine has a weight assigned to it. For example PJZ was running an A12/13 in a 90's 200SX bodied car. The class also has inlet restrictors for displacements above 1300cc but I do not have to run one at vintage events. Now Dave P's A15 made 156 at the wheels unrestricted............this was with 15-1 comp and 9K redline, tuned way harder than I want to deal with.

Here is the fun part I can run any A12-15, E15/16, GA16, L16 or L18, SR16, CA18, CA18DE.........the trick is pre-99 motor. Mix and match heads (KA24) would be a no no but not likely anyone would protest. Regardless I am leaning towards the L-series as those were in the PB110 Sunny. The other fun is that we have an abundance of L-series racers on the West Coast so prepped engines can be had very reasonably, around 3K give or take.

The final wrinkle is it looks like A-15 with 88 mm stroke (1600cc) will now be on the list...............hmm just need machine work to E-series crank...............still probably wouldn't make the magic number.


Tom

Posted on: 2012/3/22 2:57
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Re: Which 2 liter, opinions - goal is 150 RWHP
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3k for a race l series sounds not too bad. Surely the a15 going to cost almost as much with no torque still

Posted on: 2012/3/22 3:48
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