| [ Total Views: 1435 | Total Replies: 12 | Thread Id: 82582 ] |
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 sander288
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| posted on March 16th, 2010 at 08:30 PM |
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Under 1600cc Classes
I do realise that alot of VW's are racing in the 1601 - 2000cc classes, because we can make bigger and better engines for around the same cost as a
1600 that is at a similar spec but can a VW actually be competitive in the smaller cc class?
It's just I was reading through the entries into the Vw supersprint and it is all 1601- 2000cc classed cars, and to be honest there isn't many under
1600cc race VW's getting around out there, got me wondering why?
food for thought anyway, Cheers
Shaun
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Craig Torrens
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| posted on March 16th, 2010 at 08:32 PM |
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because they're not competitive against other 1600 cars.
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colin
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| posted on March 16th, 2010 at 08:34 PM |
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There are some very quick datsuns running in under 1600cc class at hillclimb events.
I doubt a beetle would keep up.
Cheers Col
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sander288
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| posted on March 16th, 2010 at 08:55 PM |
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Hillclimb I can understand that a 1600 wouldn't be the best go, but for speed events like a supersprint or tarmac rallying wound't a 1600 thats well
put together be a ripper? The salzburg porsches used 1600's in the 70's and did alright.
i realise it's not the 70's now but surely a hot 1600 still has something going for it in competition
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Craig Torrens
A.k.a.: Craig Torrens
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| posted on March 16th, 2010 at 09:42 PM |
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Go for it 
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 matberry
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| posted on March 16th, 2010 at 10:31 PM |
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I built a hot 1300 for Targa which won it's class first time out. 
Problem is to get the heads to breath we need to run a bigger bore and therefore smaller stroke, she revved like a trooper.
Matt Berry Motorsports...air cooled advice, repairs and mods Ph 0408 704 662
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vassy66T1
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| posted on March 17th, 2010 at 07:58 AM |
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I looked at comparative times when building mine and the time difference (yes in hill climb) was only minor between the two classes so you really had
to make the 1600cc scream to be able to keep up. Maybe in the future I will have a go.
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BiX
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| posted on March 17th, 2010 at 11:28 AM |
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I remember driving that targa car once. It just reved and reved....
Did you ever find out how much power it was putting out?
ANy sub 1600cc class, you will need to really rev it to get the power you want.
Anybody know what the datsun and excort 1600's make?
I have no sympathy for my car, only the wallet that pays for it!
Go hard or go home!!!!
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matberry
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| posted on March 17th, 2010 at 11:33 AM |
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| Quote: | Originally
posted by BiX
I remember driving that targa car once. It just reved and reved....
Did you ever find out how much power it was putting out?
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Unfortunately no, I never even had the chance to finish the tune/setup.
Went good considering.
Matt Berry Motorsports...air cooled advice, repairs and mods Ph 0408 704 662
OFF-ROAD,CIRCUIT,DRAG,STREET,ENDURANCE
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1303Steve
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| posted on March 20th, 2010 at 05:29 PM |
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Hi
When I used to Supersprint in the 80s the Datsun 1600 and Geminis were always a very quick even in stock form. I usually only beat them on the dirt at
Amaroo
It when you get into the higher capacity classes, the VW shines a bit better, mainly because of better braking and traction due to the rear engine
layout.
Look at Rudis car, under 2 litre turbo sees of R35 Skylines at Oran Park, in the footage from the top of the pits he had just overtaken the R35 before
he had a small off. http://www.youtube.com/user/davejcarter#p/u/4/fvcoV53Stns
I guess that's why the Beetles often do well in the larger capacity classes in hill climbs as well.
Steve
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mactaylor
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| posted on March 21st, 2010 at 04:53 PM |
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just did a few quick calcs you COULD build a very over square 1600 with a 94mm bore and a destroked crank with not to much work except for conrods,
they could do with a shorter length. there is enough meat to take a crank down to 58mm without to much welding takes it to 1610cc approx, would be
good someone better step up and give it a go. Light rods plus big valve area and a healthy amount of duration would make for some big revs.
EVERLAST CONCRETE TANKS
1800 552 123
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cnfabo
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| posted on March 21st, 2010 at 04:59 PM |
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sounds like a very interesting combo.. would love to see someone go ahead with that...
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matberry
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| posted on March 21st, 2010 at 10:11 PM |
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The combo I put together for the '98 Targa 1300cc class was 56.5 x 85.5 bore (stock 1600) gave a capacity of 1297.5cc, some short little Nissan rod
and 40 x 35.5 valves.
Matt Berry Motorsports...air cooled advice, repairs and mods Ph 0408 704 662
OFF-ROAD,CIRCUIT,DRAG,STREET,ENDURANCE
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