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Original Message
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| How much power and other questions |
| By ANT - 01/21/2001 9:24:35 PM; IP 63.14.252.107 |
I have a 390 bored .060" (402c.i.d.)
I have 10:1 compression with trw pistons. A crane cam 222/234 duration at .050 with 278/290 advertised and 548/580 lift. I am using Rhoads variable duration hydraulic lifter. I have 1.76 ratio aluminum roller rockers. performer rpm intake and edelbrock 750 manual choke carb. I have 2 3/4 primaries and 3 inch collecter headers followed by 2 1/4 switching to 2 1/2 pipe. without mufflers or cats.
Currently I have stock 390 heads with stainless steel 3 angle valve job heads, but planning to switch to edelbrock soon.
I have an msd probillet distributer and digital 6 ignition and msd super conducter wires and accel super coil.
The mains and heads are studded with arp studs. I have moly rings and chrome moly pushrods . I have standard sized oilpan with windage tray. I have a high volume oil pump with new but original style drive shaft( I know that should be changed).
How much power do you think I should be making?
How much with the edelbrock heads?
Would 250 hp shot of nitrous be ok?
I also have a timing problem I am running 10 degress initial advance at 900 rpm(with more initial advance it seems to be a lot weaker) with the 2 blue springs and blue advance stop bushing on my msd distributer. this brings in an extra 21 degress of advance at 2900 rpm.
When I hit 5500 rpm I start to detonate like crazy.
What do you think my initial and final advance should be?
and with edel. aluminum heads?
I use 93 octane pump gas.
Another thing my carb is not modified at all since it came from edelbrock(other than idle mixture and speed)
Do you think it needs to be re jetted?
Any suggestions ?
any help greatly appreciated!!!
thank you
Anthony |
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