Technical Tips > Pre 84
GT 40 ?
TIPPA:
Looks like he does the odd shopping trip to the states
Mattrix:
yeah like this one:
http://cgi.ebay.com.au/ws/eBayISAPI.dll?ViewItem&category=2030&item=4557035756&rd=1
Pimpin! fit some hydraulics and have some fun with it hehe
TIPPA:
Notice a buyer asked him what type of blower his Vette has... and he replied: 671. Now he is either trying to pull the wool over the eyes of the gullible out there or he really has no idea. and by the look of the all the other cars and harleys he is selling at the same time i would take a guess he has SOME sort of idea! Fancy trying to say a single carbied low-blow is a 6/71...:b4
His reserve is also the same as his starting bid at $29grand (with no bids to date so i guess a bid at $29,001 would buy it).
Mattrix:
I wouldn't know one from another when it came to blowers, so maybe he is trying to pull the wool to confuse people like myself.
still, i'm sure the thing hammers. though it needs some flared guards at the back to cover those tyres... looks a bit silly really
TIPPA:
and illegal... for the tyres protruding beyond the guards and also the air filter out of the bonnet.
As for superchargers, here goes:
Those "roots" type blowers' numbers are just relating to the size of the diesel engine they originally came off (like a bulldozer etc). So a 4/71 was off a 4cylinder, 6/71 off a 6cylinder and 8/71 you guessed it, off a V8 diesel. So in a nutshell its the size of the blower.
Most common is the 6/71. It's the big one on show cars, hot rods and drag cars that comes well out of the bonnet with two carbies or injection ontop.
The 8/71 is really only seen on very serious drag cars and specially made blowers go up to 14/71 like in Wild Bunch, funny cars and top fuellers (although alot are using screw type blowers now like PSI).
The 4/71 usually fits under the bonnet and only has one carbie. This is whats on the vette.
Edelbrock (as an example) refined the 4/71 and called it a "low blow" and with teflon seals, single or twin carbies and factory high polish they look and perform really well and with a small scoop can fit legally under your bonnet.
Then there are small screw types like Paxton and of course centrifugal types- the ones usually fitted to later EFI engines like on commodores, falcons, and of course C4 + C5 corvettes. They are basically a turbo driven by a fan belt rather than exhaust. Instead of a linear power curve with boost right off the line like the others, these give a similar power curve as a turbo- not much off the line but ever increasing surge of power as she revs out.
Now that was a spiel and a half ;laugh
So with that vette, if you can't see two foot of supercharger and carbies out the bonnet then she 'aint no 6/71!:}
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