Edelbrock Head 557 Testing

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Post  99zx9r on March 12th 2013, 4:06 pm

Did some testing over the weekend of my 557 powered '79 Mustang. We still have some tuning issues to iron out but overall I'm very pleased. We made 4 passes, 2 off the footbrake and 2 off the transbrake. Footbrake passes were a little rough due to some front end issues, but transbrake passes were solid and consistent. Best was 9.350 @ 147 (other tb pass was 9.357 @ 146).

Motor is a 557, thoroughly ported Edelbrock CJ heads (bought from Bruno), solid roller cam from Lem, Victor intake and 4150 carb. PG trans. Car is mintubbed ladder bar setup running 31x10.5W.

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Post  bruno on March 12th 2013, 6:16 pm

sounds great !!!! cheers
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Post  1970 ford maverick on March 12th 2013, 6:18 pm

99zx9r wrote:Did some testing over the weekend of my 557 powered '79 Mustang. We still have some tuning issues to iron out but overall I'm very pleased. We made 4 passes, 2 off the footbrake and 2 off the transbrake. Footbrake passes were a little rough due to some front end issues, but transbrake passes were solid and consistent. Best was 9.350 @ 147 (other tb pass was 9.357 @ 146).

Motor is a 557, thoroughly ported Edelbrock CJ heads (bought from Bruno), solid roller cam from Lem, Victor intake and 4150 carb. PG trans. Car is mintubbed ladder bar setup running 31x10.5W.

Nice Pass! Looks Good too, MavMan
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Post  nitrous.f on March 12th 2013, 10:30 pm

nice pass! what carb is on it? Very Happy
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Post  99zx9r on March 12th 2013, 11:45 pm

nitrous.f wrote:nice pass! what carb is on it? Very Happy

Thanks. Carb is custom built 4150, flows just over 1000 cfm.
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Post  windsor on March 13th 2013, 9:50 am

Nice. Tranny,stall, and rear?
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Post  61coon on March 13th 2013, 11:08 am

Nice pass!
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Post  99zx9r on March 13th 2013, 12:01 pm

windsor wrote:Nice. Tranny,stall, and rear?

Powerglide 1.80 planetary. Rear is a 9" 4.11 gear. No idea on the stall.
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Post  Rich Osmond on March 14th 2013, 4:57 pm

Nice pass - car sounds great!

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Post  bruno on March 15th 2013, 9:48 am

99zx9r wrote:
nitrous.f wrote:nice pass! what carb is on it? Very Happy

Thanks. Carb is custom built 4150, flows just over 1000 cfm.

impressive cheers
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