Is a Chimaera 4L Underpowered?
Discussion
2 sheds said: Fully mapped ignition is a good idea, not convinced that changing to fully mapped fuelling would be a benefit for a road car, there are no gains in torque, in some cases top end BHP has been increased but at a cost, I've used CUX hotwire injection on full race spec 5.0L with 350 bhp & torque.
I'm not saying that fully mapped systems like DTA don't work but IMO not worth the all the effort of fitting & mapping on a standard TVR.
Tim
absolutely agree! Just had an email from dave walker of emerald in which he suggests as the best option to fit a Vauxhall 60-2 toothed wheel to the crankshaft to act as the speed sensor and the air meter then becomes redundant. The throttle pot is used for load sensing.
Seems a pricy operation.
chimaera1855 said:
or get the latest MICHELIN pilot 3 and see how much grip u can get in dry or wet.how about a sc400????sc Power is doing my supercharger kit as my car got A/c and power stearing so how will be the power comapre to a 5 litres???
get rid of the a/c and p/s, both are crap and zap power, there is a very noticeable difference between a standard 4litre and 500.as for a SC4 litre against a good 500, I haven't got a clue but have heard on the grapevine a good standard 500 is still quicker.
From what i hear from a guy I know and trust is that Mr Hamish's (bluebottle) SC520 is proper f
king quick.I think you would soon get used to the power of a SC400 or 500 and would soon want more so why not go the full hog now.
cause here only 4 litres engine available.was thinking of swaping for an LS1 but my 4 litres is in really good condition so i want to find out what is possible with it.removing the A/c in a tropical country(i live in malaysia)????u want my gf to kill me????ahaha my kit is with the intercooler+MOTEC so as long as i get around 300hp per ton i ll be more than happy with it.a lot of people told me about the MERLIN F85 head how good is this mod???i dont want to over power the car.
chimaera1855 said:
cause here only 4 litres engine available.was thinking of swaping for an LS1 but my 4 litres is in really good condition so i want to find out what is possible with it.removing the A/c in a tropical country(i live in malaysia)????u want my gf to kill me????ahaha my kit is with the intercooler+MOTEC so as long as i get around 300hp per ton i ll be more than happy with it.a lot of people told me about the MERLIN F85 head how good is this mod???i dont want to over power the car.
Can't you get a rebuilt TVRPower 500 engine shipped over (tell em you will probably want to SC it in the future), probably same cost as the SC kit for the 4 litre, then whack the SC on the 500 when it becomes to slow for you.chimaera1855 said:
how much a tvr power 500 will be???my 400has only 40000km and in really good condition.how much do u think i can sell it if i ship it to UK.cause here nobody will buy it.less than 10 units
TVRPower do a 4 litre upgrade to 500 spec for about £5k, though it seems a shame to do that to a good low mileage 4 litre engine, I would wait for it to go bang before I did that. you can pick up a good second hand 500 engine for about £3k, but I would want to see and hear it running in car before buying.
not sure what a 4 litre engine is worth, sorry.
i think my plan is to supercharge the 400 and see what it can do.if not enough i ll sell the kit and upgrade to a 4.6 or 5 litres it should be possible toship it here without too much trouble.was also thinking an LS1 cause checked a few on ebay and its really cheap.no sure how it is to swap it but the mechanics here are pretty good at this.but i am pretty sure a sc400+some extra mods will be just nice looking at 300hp per ton
End of the day it doesnt matter how quick your car is/isnt you always get used to the speed of the car..If you had a 4L then changed to a 5L you would tell the differance straight away, but after time you always get used to the engine and it wouldnt seem as quick as when you first drove her, then you'd want more again
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