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#41
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Here's your oppurtunity to help. Darby is young and willing to learn. Go share your wisdom! |
#42
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1969 carousel red firebird 455, richmond 5 speed 1964 540 gto 1971 lemans sport convertible 1972 Maverick under slow construction |
#43
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Charles, While u don't need the 55 mm cam or the bigger lifter's, It's far cheaper to have it done when getting the block from ALL Pontiac, then to realize down the road u want to step it up! Its also a lot less strain on your whole valve train
and can use a much more aggressive lobe too imo, I'm just young and eager as paul said lmao
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Darby 74 Grandville 2Dr 455 c.i 4550# 2011 1.60 60 ft,7.33@94.55-11.502@117.74 2017, 74 firebird -3600 lbs (all bests) 1.33 60 ft, 6.314@108.39 9.950@134.32 M/T 275/60 ET SS Drag Radial 2023,(Pontiac 505) 1.27 60 ft, 5.97@112.86, 9.48@139.31.... 275/60 Radial Pro's |
#44
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So I'll throw this question out for you all. Most of look at the corrected HP numbers on the dyno sheet-how many days are actually good enough air at the track the motor will see corrected HP and not really the uncorrected in the actual air of the pre corrected numbers?
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Skip Fix 1978 Trans Am original owner 10.99 @ 124 pump gas 455 E heads, NO Bird ever! 1981 Black SE Trans Am stockish 6X 400ci, turbo 301 on a stand 1965 GTO 4 barrel 3 speed project 2004 GTO Pulse Red stock motor computer tune 13.43@103.4 1964 Impala SS 409/470ci 600 HP stroker project 1979 Camaro IAII Edelbrock head 500" 695 HP 10.33@132 3595lbs |
#45
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Darby 74 Grandville 2Dr 455 c.i 4550# 2011 1.60 60 ft,7.33@94.55-11.502@117.74 2017, 74 firebird -3600 lbs (all bests) 1.33 60 ft, 6.314@108.39 9.950@134.32 M/T 275/60 ET SS Drag Radial 2023,(Pontiac 505) 1.27 60 ft, 5.97@112.86, 9.48@139.31.... 275/60 Radial Pro's |
#46
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And different dynos. My TA's 455 dynoed 525 HP corrected on the Stuska that shop had. No fan on the water pump, no mufflers no small Shaker air cleaner. In the car through a full muffler system PS/ and fan depending on the calculator more like 550+ based on mph.
Hard to tell where I'll end up on the IA/Camaro -different dyno. and I've only made less than 10 passes(picked over 2 seconds figuring out some big bugs last time) Corrected was 695hp but I had to pull off the carb spacers, now has a full exhaust, radiator fan(that is getting replaced now) and an air cleaner. Also it was a warm humid night closer to the conditions for the uncorrected. 127mph at 3595 was quite a disappointment until we started taking off HP and looking at uncorrected. Looser convertor and other carbs besides and electric fan setup will hopefully look a little better. So 750 corrected/uncorrected and do you expect mph to match that?
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Skip Fix 1978 Trans Am original owner 10.99 @ 124 pump gas 455 E heads, NO Bird ever! 1981 Black SE Trans Am stockish 6X 400ci, turbo 301 on a stand 1965 GTO 4 barrel 3 speed project 2004 GTO Pulse Red stock motor computer tune 13.43@103.4 1964 Impala SS 409/470ci 600 HP stroker project 1979 Camaro IAII Edelbrock head 500" 695 HP 10.33@132 3595lbs |
#47
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Darby 74 Grandville 2Dr 455 c.i 4550# 2011 1.60 60 ft,7.33@94.55-11.502@117.74 2017, 74 firebird -3600 lbs (all bests) 1.33 60 ft, 6.314@108.39 9.950@134.32 M/T 275/60 ET SS Drag Radial 2023,(Pontiac 505) 1.27 60 ft, 5.97@112.86, 9.48@139.31.... 275/60 Radial Pro's |
#48
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My last roller can race gas motor 455 ran the same open headers as with the exhaust system -even with the weight of the exhaust system so this one has an even bigger X so probably not a lot of loss. This weekend the loose 5000 stall convertor from it is going in the new car. Give me a different data point than the one in it I think is just too tight. Hopefully get a better than a 1.7 60 ft! Then get a custom one made. Going to get to use my new lift in the shop instead of under the car on jack stands
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Skip Fix 1978 Trans Am original owner 10.99 @ 124 pump gas 455 E heads, NO Bird ever! 1981 Black SE Trans Am stockish 6X 400ci, turbo 301 on a stand 1965 GTO 4 barrel 3 speed project 2004 GTO Pulse Red stock motor computer tune 13.43@103.4 1964 Impala SS 409/470ci 600 HP stroker project 1979 Camaro IAII Edelbrock head 500" 695 HP 10.33@132 3595lbs |
#49
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Nah
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#50
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Guy is a real racer doing is much of his own work as he can. that gets respect in my book. Besides, if I wanted to talk to him I would not PM him. Almost bought his block but he decided to run it so I have his number. Which gets us to the bigger problem around here, PY. People read this stuff and do not comment on anything. They stay out, do not want to be any part of the bu!!$h!t going on here. Its a mess and what you do sometimes keeps people away. Most of us are just racers doing it at a level we can afford and still keep a roof over our head. But you are in the business of race engines. Come on here tooting your own horn. I think there are reasons All Pontiac, KRE, Butler and the like are not on here tooting their own horn. Its not their place, don't need to. You need some of their "wisdom". Anymore you and your pal are reasons people stay away and do not actively participate in this once great Pontiac forum. Who wants to comment if they are going to get attacked ? Not worth is so they go to facebook where this $h!t does not fly. |
#51
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#52
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So the "pal" responds. But I told you I won't argue with you on this thread. So lets leave it at that.
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#53
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Dragncar's non facts; Whitmore RAIV heads compared to KRE Edelbrocks on a dyno.... Never happened! Scott Brown cam broke into two peices.... Never happened Gach made 850 horsepower on pump gas using someone else's Internet dyno sheet.... Never happened I could continue but have better things to do. I will continue to call out anyone when they're spewing lies as facts. I'd prefert to keep PY Website around as long as possible....no one likes to waste their time reading Fairy Tails. Now YOU claim these super duper e-heads you know about are the best bang for the buck....for the third time tell me about they're accomplishments. If you want to continue to make crap up please hangout on PZ , Gach gets tired of talking to himself. Last edited by PAUL K; 11-04-2019 at 07:37 PM. |
#54
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Why, are you in the market for a new build?
Last edited by PAUL K; 11-04-2019 at 07:18 PM. |
#55
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Just kicking tires and asking for facts or clarification at least
__________________
1969 carousel red firebird 455, richmond 5 speed 1964 540 gto 1971 lemans sport convertible 1972 Maverick under slow construction |
#56
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KICKINGTIRESTTF!
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#57
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Ok guys, back to topic. I still don't understand what the standard cam and lifter would be rated too, HP wise? Thanks
Also, Thanks for the info guys. |
#58
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Thought I mentioned this in a post.... We've made close 1400 hp with standard cam and .842 lifters. If you feel down the road you'll want to make big power you are better off ordering the block with the Big Boy options. If you plan on never exceeding 900 horsepower you are probably better off spending your money elsewhere. If you don't order the big options now and decide down the road you want to add the big cam journals and .904 lifters it can still be done. It will just cost considerably more money.
Last edited by PAUL K; 11-04-2019 at 09:35 PM. |
#59
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It isn't a hp thing, its spring pressure and rpm. Id say if you 800lbs on springs and spinning the engine above 7500rpm you should consider it. You will only be running springs and rpm like that if you going for 900+hp natural aspirated
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#60
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Ok, Thanks..
Charles |
The Following User Says Thank You to chuckies76ta For This Useful Post: | ||
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