nova 8v no injection head

[Luke Tuppenney]

we are OCVC motorsport college based in bicester and are buliding and running our own GP midget, we are gunna be running the corsa block but need a nova 8v head, with no injectors as the rules and regs state no injectors. we will be happy for any help or assistance finding one, regards Luke :)

[16v Nova Kev]

what cc is the engine your running/planning to use.

[Luke Tuppenney]

we have the block from a 1.4 corsa and looking for a nova head.

[16v Nova Kev]

you need a 1.3/1.4 sr head i think then you can use twin 40s

[Luke Tuppenney]

thats what we was planning on using :) thanks for your help :) looks like we will be looking on here to see if anyone has one for sale.

[16v Nova Kev]

have a read in here. and welcome to the forum.
http://www.pngclub.com/forum/showthread.php?t=93429

[mowgli]

head off a 1200carb would be a good start, then port it & find a good cam.

[C612DNM]

May I recommend - Blydenstein B+ head (1300), Kent solid lifters, AST8 camshaft, VS30 springs. Use later standard followers, if they break the let go at the ball end, which means that it doesn't drop a valve and lunch the engine. That will give you peak power at about 7000-7200, and a good amount of torque, which you need to get you out of the turns. If you've got the compression ratio right (you should see 240psi per cylinder), and run 34mm chokes, with 40mm full radius bell mouths, I can't see why you shouldn't get around 140hp.

Driving a GP Midget is about keeping up momentum, but also being able to get out of the corner well - for that you need good torque, so the hydraulic "race" cams are no good. They're too peaky, and ultimately don't produce the power that the AST8 will - you'll probably have to get Kent to grind you one - but speak to Andy Burns at Kent Cams, tell them I recommended it (Rob Compton), and he'll sort you out with the right bits.

[Luke Tuppenney]

id like to thank everyone for all the help during this post, i will need to check if all that is within reason of the rules and regulations :)

[Luke Tuppenney]

here i have the rules and regs :)


GRAND PRIX MIDGET CLUB
TECHNICAL SPECIFICATION REGULATIONS

1.0 ENGINE

1.1 Any 4 cylinder 4 stroke production engine may be used. (Amended at 2005
AGM)
1.2 Maximum capacity permitted is 1427cc including repair sizes
1.3 Two camshafts may be used. Cams are free, valve springs are free.
1.4 Multi-valve heads may be used, again must be derived from a production car. No BDA
heads permitted. (When using multi-valve heads, a specification sheet must be
produced at any time during any race meeting upon request, describing in detail the full
credentials of the type of head used.)
1.5 Strictly no porting or polishing is allowed on multi-valve heads, although the inlet
manifold may be matched to the head.
1.6 Valve sizes must be kept in standard form on multi-valve heads for the particular model
used.
1.7 When using multi-valve heads, the carburettor(s) must have 32mm diameter choke
tubes fitted. The size of the choke tubes must be made available for checking at any
time by the Scrutineer.
1.8 Any other method of normal aspiration tuning is permitted.
1.9 Fuel injection is NOT permitted.
1.10 Only normal street pump petrol is permitted. (Valve lubricant is permitted)
1.11 No special mixes or methanol blends, nitrous oxide or octane boosters are permitted.
1.12 Engines must self start.
2.0 TRANSMISSION AND FINAL DRIVE

2.1 Only rear wheel drive is permitted.
2.2 Differentials may be Free, Locked or Limited Slip.
2.3 Motor cycle type roller chain is NOT permitted.
2.4 Flexible band or toothed belt or Hyvo chain MUST be fully enclosed in substantial
casing.
This must be to the Technical Committee/Scrutineer’s satisfaction.
2.5 Operative clutch and reverse gear are mandatory.
2.6 Gearboxes/transaxles are free.

[mk1nova_rich]

You have a PM :thumb: (top right corner)

[mk1nova_rich]

It would also make an interesting read if you started a build thread in "Projects"

[Stuart]

I'd fit the 1.6 8v mpi head, its not got injector holes so you are fine there, plus you get bigger valves 'for free' along with better port shapes/flow etc.

You will need to skim its **** off to get the CR you want but thats not hard

[MattBrown]

Hello Suzuki Hayabusa engine lol


I would be going for a x14xe engine, then twin 45's, lairy cams and some high comp pistons.

Should see 150 I would hope.

[Pistol Pete]

Hello Suzuki Hayabusa engine lol


I would be going for a x14xe engine, then twin 45's, lairy cams and some high comp pistons.

Should see 150 I would hope.

Did you read the regs??


When using multi-valve heads, the carburettor(s) must have 32mm diameter choke tubes fitted

So surely 45's would be a no no.

[MattBrown]

Did you read the regs??



So surely 45's would be a no no.


Yeah, the hayabusa part was a piss take.

And go for 40s then, I misread the choke part.

What are the winning teams running?

Run that.

[shed-on-wheels]

i say use a 1.6 mpi head to i have one sat here doing nout :)

[Pistol Pete]

Would 40's not be 8mm too big still??!! lol

[MattBrown]

Would 40's not be 8mm too big still??!! lol


No, as your run chokes in them.

Twin 45s often run 38 or 40mm choke tubes.

[C612DNM]

Yep, run 40's with 32mm chokes.

I'd still use the 1300 engine, bored to 77.8mm plus an oversize maybe, but hey we're talking about maybe 2hp by gaining that few extra CC's.

Mahle pistons. everything balanced, etc....

It'll have more torque than a 16 valver where you need it, though it won't produce as many top end horses.

Grunt = acceleration.

And it'll be lighter than 16 valver too.