Best N/A wankel to build cheap-ish and put in FC?

Started by MJG, October 22, 2006, 10:26:50 AM

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mullins

If you have to ask about MPG, a PP isn\'t for you.

Quote from: MJGAny advice/comments would be gratefully received, also, what sort of mods (preferably free or cheap!) could I do to improve torque and power between 4k - 9k or however high I could get it to rev?

A well built PP will not be cheap!

Quote from: MJGI don\'t mind high up power, I would like it to rev to 20k if possible

Okay I think you\'re winding us up here.

MJG

Haha, I thought the MPG/PP relationship might not be a good one :(

If I can machine a housing myself then why not cheap? (I\'m not arguing, just wondering)

I was just saying 20k would be good, I know it\'s not possible I don\'t honestly think I could build a 20k rpm engine! Lol. I was just saying that I don\'t mind revvy engines at all :)

mullins

Trust me by the time you\'ve got the weber, fuel system, exhaust, and ignition to run a PP, (not to mention the internal mods for a reliable block) you\'ll be well known to the bank manager. :wave

Not trying to put you off, but give Carl Hayward a ring to price it up first.

MJG

No don\'t think you\'re putting me off, I havn\'t been "on" yet. I just wanted some ideas as to what to do. By the sounds of it then the PP is out of the window at the moment, always could look into it when I\'m feeling a little flusher or happen to have several spares lying around :D

What sort of mods would you recommend me to look into, and what sort of engine would you recommend trying to find for a play about with, mullins?

Like I\'ve said, I\'m not after a fast car, just something fun and fruity that I can rev and have fun in :D

Grizzly

Quote from: mullinsTrust me by the time you\'ve got the weber, fuel system, exhaust, and ignition to run a PP, (not to mention the internal mods for a reliable block) you\'ll be well known to the bank manager. :wave

Not trying to put you off, but give Carl Hayward a ring to price it up first.
Yep your right if you get it MADE for you it will be alot, but if you do all the work your self and use bits of other engines like the E-shaft,Staitionary gears,oil system etc from a REW and second hand Housings etc it may not be as powerfull as it could be with New Bits but it would be a Hell of a lot cheaper to build for Fun.

If you use a 4 port NA as a Starting engine you can keep the Dizzy set up remember this aint a 500hp engine and you would be suprised what people have been known to run in the past.

Unfortunatly you may be right about the Fuel though, I\'ve just been told if you have run a Carb on a small P/P or Bridge you will be looking at not more than 20mpg.

Grizzly

Quote from: mullinsNot trying to put you off, but give Carl Hayward a ring to price it up first.
LOL. Yeh if you have a P/P engine made for you by a Pro you would be looking at Big figures :yes

BUT!! i have three P/P housings here that where made for me costing the best part of 2k and they look like something i could have done. I think your getting confused with a High reving engine (thats quite hard to do) but a simple P/P is Easy if you know how.

mullins

Sorry, I meant price the parts list up with Carl.

mullins

Quote from: GrizzlyI think your getting confused with a High reving engine (thats quite hard to do) but a simple P/P is Easy if you know how.

Yes but you will actually NEED high revs to get into the powerband on a PP. I\'ve driven a few different setups (inj and weber) but below 5,000 they really don\'t inspire and at 7,000 the fun is only beginning! :Thumbs-up

mullins

Quote from: MJGWhat sort of mods would you recommend me to look into, and what sort of engine would you recommend trying to find for a play about with, mullins?

Like I\'ve said, I\'m not after a fast car, just something fun and fruity that I can rev and have fun in :D

Best N/A wankel to build cheap-ish and put in FC?

^
I\'d recomend street porting the 13B egi engine. Bolt on a weber with a highrise inlet manifold (more power down low=good with heavy car) or modify the factory injection system. That should keep you poor for a while! :)

antnicuk

one thing you will have to be careful with is NOISE,  PP\'s and N/A bridges are very noisy and you may not be alowed on track.

you should buy this

http://cgi.ebay.co.uk/Superb-MAZDA-RX7-First-Gen-C-Reg-44k-Miles-from-new_W0QQitemZ190043950032QQihZ009QQcategoryZ18211QQrdZ1QQcmdZViewItem
400 BHP - 650 KG\'s = 616 BHP Per Ton of Rotary Power

That\'s the way to do it! :Thumbsup!


MJG

That first gen looks good to be honest, and a good price for that spec/condition! I don\'t have any money/space at the moment, this thread was intended to give me some ideas, and I now have some. I will searchy search search and see what I come up with.

Cheers guys :)

Grizzly

Quote from: mullinsYes but you will actually NEED high revs to get into the powerband on a PP. I\'ve driven a few different setups (inj and weber) but below 5,000 they really don\'t inspire and at 7,000 the fun is only beginning! :Thumbs-up
Again it all depends on how mad you go with the Porting.