500 bhp in a std comp cossie
08-08-2007, 05:59 PM
#243
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just noticed this thread, i know its a few pages late, but
Mine done 505 bhp on a engine dyno @ 8.6:1. with gt30 and 25psi boost on pump fuel.
Mine done 505 bhp on a engine dyno @ 8.6:1. with gt30 and 25psi boost on pump fuel.
08-08-2007, 08:05 PM
#244
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Originally Posted by Fiecos Dan
just noticed this thread, i know its a few pages late, but
Mine done 505 bhp on a engine dyno @ 8.6:1. with gt30 and 25psi boost on pump fuel.
Mine done 505 bhp on a engine dyno @ 8.6:1. with gt30 and 25psi boost on pump fuel.
cossie4i - Thanks for the kind words matey!! And she looks just fine ROFL!
Brought to top following a conversation with Stu. There is quite a lot of pretty good content in this link about how cossie engines can be tuned etc, and explains some basic principals. Hoping it will be moved to the Technical Essay Archive for all to benefit from now that the line is dead!
JJ
11-08-2007, 04:52 PM
#245
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Originally Posted by Fiecos Dan
just noticed this thread, i know its a few pages late, but
Mine done 505 bhp on a engine dyno @ 8.6:1. with gt30 and 25psi boost on pump fuel.
Mine done 505 bhp on a engine dyno @ 8.6:1. with gt30 and 25psi boost on pump fuel.
11-08-2007, 04:59 PM
#246
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spool wont be change by comp ratio.
i spec it like that, to get better power/lbft to boost.
But EGT's are alot hotter due to this compared to a similar spec but low comp.
i spec it like that, to get better power/lbft to boost.
But EGT's are alot hotter due to this compared to a similar spec but low comp.
16-11-2007, 04:11 PM
#250
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Wow - I havent read this thread in ages! Good to see that she still lives in Technical Essay archives
Generally I agree with Rapid Cossie for big power builds, Low comp does make a lot of sense.
The thing is that the further you look into it the harder it gets to get a really good definitive answer!
That I guess is all the fun!
JJ
Generally I agree with Rapid Cossie for big power builds, Low comp does make a lot of sense.
The thing is that the further you look into it the harder it gets to get a really good definitive answer!
That I guess is all the fun!
JJ
(just so I can find this thread easy later on)
04-08-2010, 11:31 PM
#253
Seeing that most of this thread was done over 3 years ago it would be good to see the doubters and believers opinions now on low cr and a better cr...
Iv said now for years that the closer the cr to std the better the engine and the better the response,back then i was told my engine wouldnt last 5 mins!!!
I had an rs 500 running 8.0.1 back in 96 with t4 8 greys etc etc doing 520 hp and that was awesome compared to any low cr set up iv had /driven and since 2006 have been running 8.6 cr in my race car and its still on the same pistons....low cr is not needed anymore full stop...
cheers danny
Iv said now for years that the closer the cr to std the better the engine and the better the response,back then i was told my engine wouldnt last 5 mins!!!
I had an rs 500 running 8.0.1 back in 96 with t4 8 greys etc etc doing 520 hp and that was awesome compared to any low cr set up iv had /driven and since 2006 have been running 8.6 cr in my race car and its still on the same pistons....low cr is not needed anymore full stop...
cheers danny
05-08-2010, 07:36 AM
#254
Happily retired
05-08-2010, 07:24 PM
#255
Blimey,
What a thread
The answer is yes you could have 500bhp. I am at 480 bhp with standard sized ports on in the head. Ok my c/r is lower than standard at 7.6:1 but my engine is proof that it can be done (well almost anyway) IF i get one of Spec R's intercoolers i think 500 bhp may be cracked. Cam choice is obviously a big winner
What a thread
The answer is yes you could have 500bhp. I am at 480 bhp with standard sized ports on in the head. Ok my c/r is lower than standard at 7.6:1 but my engine is proof that it can be done (well almost anyway) IF i get one of Spec R's intercoolers i think 500 bhp may be cracked. Cam choice is obviously a big winner
09-08-2010, 07:56 PM
#257
Blimey,
What a thread
The answer is yes you could have 500bhp. I am at 480 bhp with standard sized ports on in the head. Ok my c/r is lower than standard at 7.6:1 but my engine is proof that it can be done (well almost anyway) IF i get one of Spec R's intercoolers i think 500 bhp may be cracked. Cam choice is obviously a big winner
What a thread
The answer is yes you could have 500bhp. I am at 480 bhp with standard sized ports on in the head. Ok my c/r is lower than standard at 7.6:1 but my engine is proof that it can be done (well almost anyway) IF i get one of Spec R's intercoolers i think 500 bhp may be cracked. Cam choice is obviously a big winner
rich what would you gain by the bigger intercooler to warrent 20hp gains /
your charge temps high now, or ???
.
10-08-2010, 08:55 PM
#265
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10-08-2010, 08:58 PM
#266
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03-10-2010, 07:29 PM
#276
Advanced PassionFord User
because i could say ive got a turbo the size of my head
plus would sound immense with external wg.... im gonna ring mark shead to get more info bout it tomoro, Iv read of a few people that have gt35's come on full boost at around 4-4.5k
plus would sound immense with external wg.... im gonna ring mark shead to get more info bout it tomoro, Iv read of a few people that have gt35's come on full boost at around 4-4.5k
04-10-2010, 01:45 PM
#279
