Post your dyno curve here
Discussion
Chilliman said:
Seriously though, I would love to see a 400bhp NA motor turn up.... anyone???
First, the chimmy forum is by far the most fun and interesting Edited by Chilliman on Thursday 31st October 21:59
Second, I reckon if I were to fit my stage 4 heads, fit a solid cam and lifters, increase airflow to the triple plenum and have the map tweaked to suit I'll quite possibly achieve 380.
As it stands the motor runs really well and I shall leave it as is till at least winter 2014
there's various other minors to address first.phazed said:
First, the chimmy forum is by far the most fun and interesting
Second, I reckon if I were to fit my stage 4 heads, fit a solid cam and lifters, increase airflow to the triple plenum and have the map tweaked to suit I'll quite possibly achieve 380.
As it stands the motor runs really well and I shall leave it as is till at least winter 2014 there's various other minors to address first.
Peter you need an ls...just make the jump across to the new era. Seems alot of money now but it won't be long term.Second, I reckon if I were to fit my stage 4 heads, fit a solid cam and lifters, increase airflow to the triple plenum and have the map tweaked to suit I'll quite possibly achieve 380.
As it stands the motor runs really well and I shall leave it as is till at least winter 2014
there's various other minors to address first.phazed said:
neal1980 said:
Peter you need an ls...just make the jump across to the new era. Seems alot of money now but it won't be long term.
I have a very nice car now so who knows what the future holds?If I did, I'd get a kit of parts first before doing anything.
BLOWER
500 ponies easy
Now I've driven a 480hp LS Cerb, & trust me 500 should be about right in a Chimaera
nick orange tvr said
4.0ltr pre-serp Super Charger (SC Power) running up to 10 boost, standard cam, Emerald ECU, still has main cat, Engineer1949 built it (see http://tvrengineer.co.uk/)
351 bhp 376 lbs
just a little more info on the 4.0ltr build the internals are standard apart from all being balanced old school style ,the manifolds are matched and cleaned up with bullet tip guides the plenum is increased in volume with shortened and flared trumpets and a heat soak gasket between plenum base and manifold all done to assist air flow it has the later type swirl pot and a catchment tank the rest you know.
4.0ltr pre-serp Super Charger (SC Power) running up to 10 boost, standard cam, Emerald ECU, still has main cat, Engineer1949 built it (see http://tvrengineer.co.uk/)
351 bhp 376 lbs
just a little more info on the 4.0ltr build the internals are standard apart from all being balanced old school style ,the manifolds are matched and cleaned up with bullet tip guides the plenum is increased in volume with shortened and flared trumpets and a heat soak gasket between plenum base and manifold all done to assist air flow it has the later type swirl pot and a catchment tank the rest you know.
The engine was a stock 5litre so internally nothing was touched apart from to put it together with new bearings (i bought the engine in bits but as it turned out was in good condition anyway). I'd go for a V8D 5litre if money allowed and get away from the std 5litre tvr crank. I've never personally see one break but there are people on here who have had it happen sadly.
My 5litre made good top end but the mid was always a little bit soft so I'd try and push the compression as far as possible within the limits of the combustion chamber design detonation limits and also do some more playing around on the inlet system as my dyno plays showed there was more to come there. Something for another day though.
My 5litre made good top end but the mid was always a little bit soft so I'd try and push the compression as far as possible within the limits of the combustion chamber design detonation limits and also do some more playing around on the inlet system as my dyno plays showed there was more to come there. Something for another day though.
Our old 4ltr in the racer (mgb then griff) made 380bhp and 310lbft. That was fun!! New 5ltr made 355/355 when brand new! Settled in a bit now so will be back to rr over the winter after a quick rebuild for some fine tuning!! I will dig the rr sheets out and work out how to put them on here...
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