performance figures of Chims?
Discussion
leemarkadams said:
Thanks for that, does the 5.0 REALLY go form 0-60 in 4.1?
Lee
Can't see it myself and have had two. They are fats but not taht fast the top end is a tad optomistic to as it would be pulling about a bit over 6k or something daft - long stroke lump would not last long at those speeds if sustained and the big front screen is a aerodynamic killer. Need stronger lump that can safely pull alot more revs and alot more than the std 260 - 275bhpLee
I'm in the process of looking for a Chim. I found the 400 was gutless (in all fairness I think it wasn't a good one). 4 x 450s - 2 were bloody quick, 2 were alright, and 2 x 500s. Both of these were DEFINTALEY quicker than the good 450s. There is a lot of debate about these on this site, and the main points of view seem to be a good 450 is better than a lame 500 or, the 500s are most defiantely more powerful. I agree with the latter - they just keep pulling! And that's what I'm looking for - anyone wanna PX a Vauxhall 16v Westy ??!! 

Hi there
Some 400s just keep pulling too! When i got mine last year i hit almost 260 kmh(speedo) on the autobahn when i had to back off due to traffic, i still had some travel left on the throttle. And this was with the targaroof off!
I think a slightly fettled 400 can reach the same topspeeds as a 500. Accelerating most 500s will demolish any 400 driver permitting.
Cheers Jens
Some 400s just keep pulling too! When i got mine last year i hit almost 260 kmh(speedo) on the autobahn when i had to back off due to traffic, i still had some travel left on the throttle. And this was with the targaroof off!
I think a slightly fettled 400 can reach the same topspeeds as a 500. Accelerating most 500s will demolish any 400 driver permitting.
Cheers Jens
Dont forget that these cars have been around a while now so are they really standard ones you are test driving? i have literally driven hundreads of these cars before and after mods, the 500's are in a league of there own to be honest, the 500 is the only one fitted with big valve heads and that makes a massive difference, they are also 450 cc's bigger than a 450 and 1000 cc's bigger than a 400, the 400 and 450 are fairly compatible but as i said the 500 is a different thing altogether, this is of course basing it on a good standard engine from the factory, if you have a 400 that is as quick as a 500 then the 500 is either worn or the 400 has been played with!
v8 racing said:
Dont forget that these cars have been around a while now so are they really standard ones you are test driving? i have literally driven hundreads of these cars before and after mods, the 500's are in a league of there own to be honest, the 500 is the only one fitted with big valve heads and that makes a massive difference, they are also 450 cc's bigger than a 450 and 1000 cc's bigger than a 400, the 400 and 450 are fairly compatible but as i said the 500 is a different thing altogether, this is of course basing it on a good standard engine from the factory, if you have a 400 that is as quick as a 500 then the 500 is either worn or the 400 has been played with!
Rob - seen James recent number post Act plenum and the programable ECU - very close to what you were seeing on dyno. Really good.v8 racing said:
if you have a 400 that is as quick as a 500 then the 500 is either worn or the 400 has been played with!
Quite right.. I knew of one 500 (not in a chim) that was putting out a poorly 207bhp (now re-built).. a chipped 400 would be seeing that off. At the end of the day, they are all slightly different and I have driven 450's that seem slow against 4.3's and 5's that seem no better against good 450's. I have also driven 400's that seem awful, and others that seem very good indeed. As said though, the 5litre is a bit of a beast and a good 500 is in a league of its own.

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