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Modification Help
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Topic: chev (Read 15998 times)
FCOV6
Full Member
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Posts: 175
Re: chev
«
Reply #20 on:
December 15, 2008, 07:35:45 PM »
0
I like the 283 and the 305, good 283's are getting hard to find.
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FB_MAD
Senior Member
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Posts: 348
I can't think what to write here so this will do.
Re: chev
«
Reply #21 on:
December 15, 2008, 09:22:11 PM »
0
I'm using a 1968 HK 307 in my EK sedan, I'm sure it will pull more than a grey motor would
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Ed
Guru
Offline
Model: FE
Posts: 3311
Re: chev
«
Reply #22 on:
December 16, 2008, 08:16:59 AM »
0
Just stroke it to get the capacity you're after
easy
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weddo
tas-club
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Model: FC
Posts: 726
HIS, HER's & OUR's
Re: chev
«
Reply #23 on:
December 16, 2008, 12:34:13 PM »
0
Under the current Australian "National Code of Practice for the Construction and Modification of Light Vehicles" a modified FC special sedan can only have a maximum 268 cubic inch motor based upon the original 1094 kg vehicle. 1094kg x 4 = 4376 cc or 268 ci
An FC ute is only 1085 kg so you are looking at a slightly smaller capacity
Standard Sedan - 2389lb (1084kg)
Special Sedan - 2412lb (1094kg)
Standard Station Wagon - 2517lb (1142kg)
Special Station Wagon - 2533lb (1149kg)
Panel Van - 2415lb (1095kg)
Utility - 2393lb (1085kg)
(from the National Code of Practice)
All vehicles originally weighing between 800kg and 1100 kg -
Original weight (kg) x 4 = maximum capacity naturally aspirated
Original weight (kg) x 2.5 = maximum capacity turbo charged or super charged
regards
Weddo
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Glenn 'Stinky' Stankevicius
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Model: FE and FC
Posts: 5130
Willaston, South Australia
Re: chev
«
Reply #24 on:
December 16, 2008, 02:07:00 PM »
0
Wow, what extra 10kg of stuff between the Standard and Special Sedans would only weigh 7kgs in Station Sedans?
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StreetTrim - Motor Trimming
earlyholdenfan
Senior Member
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Model: other Holden
Posts: 386
Re: chev
«
Reply #25 on:
December 16, 2008, 06:05:40 PM »
0
The other reason to talk to your engineer, is most of the various registration authorities only use an "Acceptable" weight across the whole model range, for instance Queensland Transport will use the weight from the official Section LA of their standards for modified engines, and they think the following weights are right FOR ALL VARIANTS OF THE PARTICULAR MODEL:
FE: 1050kg
FC: 1070kg
FB: 1099kg
EK: 1120kg
and the formula they use for a mono constructed vehicle is
Normally Aspirated: In Cubic Inches = Original weight (kg) X 0.294
Super Charged or Turbo Charged: In Cubic Inches = Original Weight (kg) X 0.244
IF your engineer thinks you have a seperate chassis construction (front subframe etc) he can also drag this set of rules into play:
Normally Aspirated: In Cubic Inches = Original weight (kg) X 0.333
Super Charged or Turbo Charged: In Cubic Inches = Original Weight (kg) X 0.286
Given those regs, you could put a 314.58 ci naturally aspirated engine, or a 261.08 supercharged engine in an FC of any description. BUT every engineer you will talk to will have different ideas of what HE will certify, as it all rests squarely on his shoulders if it goes pearshaped.
Your engineer may have a different ideas and history with modified vehicles and work with you to help obtain a larger engine capacity, so obviously talk to a few engineers and find one you are comfortable with for the job, and check their reputation thoroughly.
Just my 2c worth
Matt
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GM
Senior Member
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Model: FE
Posts: 435
Re: chev
«
Reply #26 on:
December 17, 2008, 03:49:34 PM »
0
Those are the same formulas used in N.S.W.
Cheers Glenn
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