well today sunday july 3, i raced my car at air raceway in adelaide over the quarter mile. I thought my times could be of interest to those of you looking for cheap performance.
My engine is stock in good nick appart from a ported head that i did at work with the die grinder, downdrought webber and standard exhaust manifold with 2" system and one straight through muffler. I run a 280zx 5 spd which believe it or not fits into standard manual tunnel with lugs removed, also have locked 3.9 ratio 120y bw diff. Tyres were only 175 by 13 so got a fair amount of wheel spin.
Anyway to the point my best time was 16.7 @ 79mph. Im very happy with this and next i will get a cam and fit some 205s as well as sorting out my rear suspension as it is very stiff, mostly its just the tyre that flexes Does anyone no what rims to use on a standard diff to achieve 205 tyres fitting with the right offset? Any coments welcome

Ps have videos and picts coming soon!

very respectable time especially with a standard motor...

good work
keep it up

Thanks ange, i will try! just out of interest who else runs mid to high 16s and what have they done? Id like to crack a 15 with the cam, suspension and tyre change, maybe a little optomistic tho but u gotta aim for something. I was also in with a chance at some prize money in the street class but i red lighted by .04 of a sec, came 4th out of 20 cars so im stoked with it!
I managed to beat a vp and a vt wagon probably stock tho in the normal racing. Go the dattos

i have 205 tyres on 7and a half inch rims with a fair dish they stick out about an inch but with a bit of tapping on the gards they would be sweet check out my album for picks

I would have expected about 1 second quicker.

My CA18DET/1200 with 78kW @ the wheels pulled a 15 flat. Crunch Crunch crunch went the synchros, every gear..

I thought with a good exhaust you might have got close to 70kW @ the wheels.

Sounds like you are having fun, and that is all the matters.

Good one,
Chris

sikdatto1200 well done mate back in the late 80's i did have a blast with my 1200 coupe with a L18b twin 48 delortos extractors a reasonable cam n 205 dunlops the best i got was a 13.9@98 but damn i had a great time congrats

how did a ca18det only manage 78kw at the wheels?

i thought they were around the 100 mark standard?

just out of interest... has anyone run a stock a12,14,15 in a 1200 down the 1/4?

I have seen hot A-series run 15s and quicker. Im sure the lseries has more potential been larger capacity but the time, effort and money(although not a great deal) doesnt quite justify it for me. A hot a14/a15 seems the more practical choice for me anyway in my current situation. That is cant have my car off the road doing conversions that take a little bit of time. The A-series is a good choice for me. Its a weekend swap over and yeild quite good results anyhow.

Freak, its the torque i love most about the big l series, i have driven an a15 with cam, twin sus, extractors and good ign system, the two are worlds appart as far as torque goes esp low down, read massive second gear chirpies! But i see were you are coming from in terms of cost and ease etc.
RB20 what rims were these, what car were they from? Any one else no, my car is fairly low so need perfect offset rims!
Yer the more i think about it i think its the cam holding my power back, it is usless reving above 4500rpm now. Also need more traction and softer rear end!
Geez 13.9 is very very impressive! Does anyone no if it would be worth my while getting twin sus? Would i gain much? Deffinatelly cant affort twin webbers or inj yet!
Also for the cam im thinking of getting a regrind on the stocker at repco balancing centre, anyone got any specs that work well for a regrind with standard valve train? Or maybe i will bite the bullet and pay 250 for a billet one, what do you guys reckon?
Oh and i really should get arround to port matching my manifolds!

I have twin SUs on my L20B 310 coupe. Unfortunately, Ive never driven one with a stock carbie, so no comparison.
But I'd say if you can find some go for it. They offer good response with the added plus of reasonable fuel economy when treated nice.

As far as a cam goes, I'd get something with a bit more lift. There is no point in getting a huge duration cam. The L20b is a long stroke motor, so there is no need to rev the ring off it.

Definately get some flows.

You've inspired me to run mine down the strip too. Once it's "legal" of course. hehehe
The torque is quite enjoyable.