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waterboy118
Joined: Oct 26, 2008
Posts: 1
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 Posted: Sun 26/Oct/08 11:52pm Post subject: Need Some Advice N Tuning Cars |
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hey is there any one out there who knows what I can do with my starlet?In a 3k motor ive recently put a 3/4 race cam,bored it 60thou oversized,over sized valved,double valve springs,planed ported n polished head, twin carbs off a k-series corolla i think,extractors n a 4k dizzi cos i didnt have a 3k one. can get it idleing alrite but its real gutless when you drive it and splutters n lags until you get the revvs up over 2000rpm what should i do? also got a 4k box
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Barks
Scuffed
Joined: Aug 07, 2007
Posts: 463
Location: Tauranga
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| Posted: Mon 27/Oct/08 12:26am Post subject: |
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Looking at what you've done I'm not really surprised that it splutters below 2k.
What have you done with regards to tuning? Have the carbs been balanced? How agressive is the grind on the Cam?
What are you wanting to use it for? If you really want something that has reliable power andyou're prepared to put in the efforet, the quickest thing to do is to swap the 3k for a 20v 4AGE. If you want rapid, Turbo 4AGE. If you're prepared to do the engineering, drop a Hayabusa motor into it.
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michael
Flogged
Joined: May 22, 2002
Posts: 3,327
Location: Christchurch
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| Posted: Mon 27/Oct/08 2:01am Post subject: |
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The race cam is possibly whats giving you trouble, you'll need a fair bit of tuning to get it running nicely down low, but still you wont get much power down low. Also, if you haven't already, put a post up on www.toyspeed.org.nz
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Spokes
Wrecked
Joined: Nov 13, 2005
Posts: 5,784
Location: Skyway
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| Posted: Mon 27/Oct/08 7:52am Post subject: RE: Need Some Advice N Tuning Cars |
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| waterboy118 wrote: | | hey is there any one out there who knows what I can do with my starlet?In a 3k motor ive recently put a 3/4 race cam,bored it 60thou oversized,over sized valved,double valve springs,planed ported n polished head, twin carbs off a k-series corolla i think,extractors n a 4k dizzi cos i didnt have a 3k one. can get it idleing alrite but its real gutless when you drive it and splutters n lags until you get the revvs up over 2000rpm what should i do? also got a 4k box |
I had one of these in an old open wheel race car. It wont produce any power below 2-3k any way. If you want any real power get a 4age.
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FLATULENTFRIEND
Scuffed
Joined: Oct 04, 2008
Posts: 439
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| Posted: Mon 27/Oct/08 9:37am Post subject: |
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You may not realise this but this is a CYCLING forum 
As others have said - its the race cam that means its at least idling lumpy and has so little power under 2000rpm.
I've had a number of 4k Corollas and even the twin carb ones idle well if tuned properly.
You've either got to get it tuned as well as poss with what you have and put up with a higher revving, cammy, gas guzzling car with little under 2k rpm  or swap the cam for a standard grind and have a more driveable car.
There may be a grind available that is a bit quicker than standard but gives more torque too - ask around.
I know what I would be doing 
Go in the Trademe Motoring forum for some good advice.
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jeremyb
BRAP BRAP BRAP BRAP
Joined: Jan 12, 2003
Posts: 32,882
Location: Derailled
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| Posted: Mon 27/Oct/08 11:42am Post subject: |
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For all the money you've spent / will spend just drop a 4AGE in!
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specializedman
Worn
Joined: Jan 13, 2008
Posts: 799
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| Posted: Mon 27/Oct/08 11:43am Post subject: |
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Who the hell needs power below 2000rpm anyway???
7000rpm is where its at!!!
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Logger
Wrecked
Joined: Jan 29, 2003
Posts: 5,353
Location: Christchurch
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| Posted: Mon 27/Oct/08 12:53pm Post subject: |
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| specializedman wrote: | Who the hell needs power below 2000rpm anyway???
7000rpm is where its at!!! |
7000rpm is a bit low isn't it? I though 8600rpm was where it's at?
Anyways I'm going to agree with everyone who has said 4AGE, hell maybe even try and shoehorn a 3SGE in there?
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mudguard
Flogged
Joined: Jul 08, 2003
Posts: 3,051
Location: Auckland's North Shore
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| Posted: Mon 27/Oct/08 12:58pm Post subject: |
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| Logger wrote: | | specializedman wrote: | Who the hell needs power below 2000rpm anyway???
7000rpm is where its at!!! |
7000rpm is a bit low isn't it? I though 8600rpm was where it's at?
Anyways I'm going to agree with everyone who has said 4AGE, hell maybe even try and shoehorn a 3SGE in there? |
Were you driving at NIMM? I didn't see your car?
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specializedman
Worn
Joined: Jan 13, 2008
Posts: 799
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| Posted: Mon 27/Oct/08 1:10pm Post subject: |
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| Logger wrote: | | specializedman wrote: | Who the hell needs power below 2000rpm anyway???
7000rpm is where its at!!! |
7000rpm is a bit low isn't it? I though 8600rpm was where it's at?
Anyways I'm going to agree with everyone who has said 4AGE, hell maybe even try and shoehorn a 3SGE in there? |
Hah yeah I know but im not a toyota driver. My ford red lines at only 7000rpm but it still goes hard enough for me.
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DropKick
Mangled
Joined: Mar 14, 2003
Posts: 8,919
Location: Christchurch
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| Posted: Mon 27/Oct/08 5:12pm Post subject: |
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Starlet huh - is hairdressing an enjoyable career?
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Logger
Wrecked
Joined: Jan 29, 2003
Posts: 5,353
Location: Christchurch
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| Posted: Mon 27/Oct/08 9:41pm Post subject: |
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| mudguard wrote: | | Logger wrote: | | specializedman wrote: | Who the hell needs power below 2000rpm anyway???
7000rpm is where its at!!! |
7000rpm is a bit low isn't it? I though 8600rpm was where it's at?
Anyways I'm going to agree with everyone who has said 4AGE, hell maybe even try and shoehorn a 3SGE in there? |
Were you driving at NIMM? I didn't see your car? |
No I wasn't at the Morell circle Jerk. Too busy slaying hctibes in Engineering  
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pushbikerider
Mangled
Joined: Mar 25, 2002
Posts: 14,247
Location: No longer Running PNC Like John Gotti
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| Posted: Mon 27/Oct/08 9:42pm Post subject: |
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| DropKick wrote: | | Starlet huh - is hairdressing an enjoyable career? |
Not that kinda starlet 
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Kazmeistyr
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Joined: Sep 14, 2003
Posts: 2,540
Location: BrisVegas
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| Posted: Mon 27/Oct/08 11:32pm Post subject: |
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I love those early 80's RWD Starlets 
Loosest bloody things out there, oh so much fun 
We once put a Rover V8 into one in a weekend for a laugh. Needless to say it was pointless, but shredded tyres in no time. Things you do for a bet
Best thing to do if you want a driveable, but quick wee rocket would be to go for the 20V 4AGE. I've had a couple of cars with these engines, only cars I would buy again. Never killed one either.
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