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Budget build with performance in mind

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Budget build with performance in mind Empty Budget build with performance in mind

Post  SDMF June 26th 2017, 7:33 pm

Hey guys so I've been debating on this subject for about a week and can't really make up my mind. The build will be going in a 68 f 100, it won't be a daily but will get driven so that's something to keep in mind. I'm looking for 450hp to the wheels. So here's my question my block is a 71 and currently has a balanced rotating assembly consisting of 69 rods, 73 pistons and a 79 crank. I'm wanting to up the compression to about 9.5:1 ( heads are 73) the Pistons I've been looking at are the speed pro flat tops and I'm not sure I can get there with this choice? Cam will be a lunati voodoo 262/268, heads will be home ported(exhaust side mainly), performer intake and a 750 Holley. So let's here what everyone has to say.

Thanks
Chris

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Post  dfree383 June 26th 2017, 9:12 pm

Spend more time on the heads and intake side, the exhaust side can be easily compensated for in the cam
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Post  SDMF June 30th 2017, 1:54 pm

Thanks dfree. I will be spending a lot of time on the heads.

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Post  rmcomprandy June 30th 2017, 4:19 pm

Those flat-top pistons at their -/020" deck clearance will get to 9.6/1 compression ratio with D3VE heads..  Decking the block to near "0" deck would be much better.

The heads will need larger valves installed with some bowl porting AND a Trick Flow "Track Heat" intake manifold or "Victor port match" on the heads with a Victor intake manifold.  A Performer intake manifold won't get you to the performance level you wish to achieve.

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Post  SDMF July 1st 2017, 6:02 pm

Thanks for the info Randy. Would a performer rpm help? Wanting to keep some drive ability.

Thanks
Chris

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Post  dfree383 July 1st 2017, 10:26 pm

Drivability is in the carb and tune
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Post  SDMF July 1st 2017, 11:27 pm

I understand about the tune, but in my previous experience with the Vic jr's it wasn't a very pleasurable drive until it was up around 4500 then it was a blast ( 5.0's either stock stroke crank or stroked). I'm new to the BBF that's why I'm asking. I do appreciate the responses. That's why I'm asking.

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Post  rmcomprandy July 2nd 2017, 9:04 am

SDMF wrote:I understand about the tune, but in my previous experience with the Vic jr's it wasn't a very pleasurable drive until it was up around 4500 then it was a blast ( 5.0's either stock stroke crank or stroked). I'm new to the BBF that's why I'm asking. I do appreciate the responses. That's why I'm asking.

There is no viable comparison to make at all between any type 5.0 small block and a 460 big block.

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Post  maverick July 2nd 2017, 9:18 am

rmcomprandy wrote:
SDMF wrote:I understand about the tune, but in my previous experience with the Vic jr's it wasn't a very pleasurable drive until it was up around 4500 then it was a blast ( 5.0's either stock stroke crank or stroked). I'm new to the BBF that's why I'm asking. I do appreciate the responses. That's why I'm asking.

There is no viable comparison to make at all between any type 5.0 small block and a 460 big block.

^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

If by "driveability" you mean you want to keep some low end grunt...don't worry about it. A guy who's used to 5.0 power is in for a surprise.
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