1976 320 A - BMW Forum - BimmerWerkz.com
3-Series (E21, E30) Chat relating to the BMW 3-Series from 1975-1983 and 1984-1991 line. Specific models: BMW 315, BMW 316, BMW 318, BMW 318i, BMW 320/4, BMW 320i, BMW 320/6, BMW 323i, BMW 320i. E30 Family models include: BMW 325e, BMW 325i, BMW 325is, BMW 325ix.

 
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#1 (permalink) Old 01-04-2005, 03:43 AM
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im doing up my 76 320. im looking at 250 - 300rwkw.

this is going to be a track/road car.

the plan is...

around 400 - 500 hp under the bonnet.
move the motor as far back as possable
convert to manual
half cage
coil over suspention
slicks for the track work.
keep the 2L 4 cyl


what i want to know is...

which diff is going to fit in the cradle, and hold up to the punishment.
which box should i use.
i have the injected head on the carby bottem end, and i want to switch to a twin cam head, which one?
any suggestions for turbo sizing.


my builder is a pro but i need this kinda info.

thanks for the help.
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#2 (permalink) Old 01-07-2005, 09:54 PM
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bump. Can anyone help me with anything? its the small things that bring you undone in the end. any comments helpful or otherwise are greatfully accepted
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#3 (permalink) Old 01-18-2005, 03:34 AM
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i have had a rethink. i know this wont go down to well.
Im going to put a 13bT under the bonnet, with a FC3S 5 speed.
i just need help with the diff, the only ideas i have is trying to adapt a R32 rear cradle to fit, or a 9". i want to keep the IRS though.
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#4 (permalink) Old 01-18-2005, 08:01 AM
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sorry i cant offer any info but are you sure you want to go rotary? In my years of road race and Auto X i have found the rotaries always had issues especialy when modified...just a thought i think you were on the right road with the 2 liter

Kyle Sutherland

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#5 (permalink) Old 02-23-2005, 04:42 AM
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the rotory will help with the weight distribution, and the builder im going to use has build both N/A and turbo race motor berfore.

this guy has made motors that run more than 100,000 HARD kilometers without many problems, just the usual issues associated with racing cars.
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#6 (permalink) Old 02-23-2005, 07:06 PM
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if he is so bad ass then why doent he know what diff to use and why are you putting a non-BMW motor in this thing. Are you really doing any of this stuff or tryin to sound bad for the guys on here?
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