552 p-51

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552 p-51

Post  larry552 on December 10th 2012, 4:41 pm

Ok. Thanks for the info. I got my cam man on the phone right now. The best 60ft my car has had on the old set up is 1.24 on the back tire
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552 p-51

Post  larry552 on December 10th 2012, 4:51 pm

Ok guys i called my cam guy back hes going to send it back. Just like yall are saying with the extra stroke and cubes it should like that cam the way it is.
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Re: 552 p-51

Post  richter69 on December 10th 2012, 5:00 pm

IDT-572 wrote:I couldn't even think of running mine with out the progressive, it went 1.18 the other weekend on the motor alone.............. Put your cam in at 112 to start, if you use the 114 cam it will be close.


your converter is too loose for the juice there snake............you tighten it up and you wont have to leave so soft with it....................and its more of a bumper remover deal lol.
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Re: 552 p-51

Post  richter69 on December 10th 2012, 5:04 pm

larry552 wrote:I do have an eldebrock progressive and i think im going to install a 7531. What kind of e.t do yall think this new set up should run


between the two you should have plenty of adjustability w the deal. I dont kill mine a whole lot at the hit, its a fine line for sure...........our track has always been pretty crappy but we have new managment now and since they took over its been a learning curve for sure.
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552 p-51

Post  larry552 on December 10th 2012, 5:12 pm

The conveter is a ptc 9.5 and it is pretty tight. It rans 6.08 at 115 with the 521 with 4.30 gears and i put the 3.73 in to calm it down on the nos and it went a 5.45@131
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Re: 552 p-51

Post  IDT-572 on December 10th 2012, 5:46 pm

richter69 wrote:
IDT-572 wrote:I couldn't even think of running mine with out the progressive, it went 1.18 the other weekend on the motor alone.............. Put your cam in at 112 to start, if you use the 114 cam it will be close.


your converter is too loose for the juice there snake............you tighten it up and you wont have to leave so soft with it....................and its more of a bumper remover deal lol.

That's true , but to tighten it enough to get below the majority of the torque to calm it down, it would be way too tight on the engine, and that's where I run it most of the time.
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Re: 552 p-51

Post  richter69 on December 10th 2012, 6:15 pm

I know you run yours mostly n/a, not nit picking just an observation.............. Basketball
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Re: 552 p-51

Post  larry552 on December 10th 2012, 6:30 pm

Well the converter when i first got choked the 521 down so i loosened it up a little. But what do i need to do to my heads
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Re: 552 p-51

Post  IDT-572 on December 10th 2012, 6:32 pm

larry552 wrote:Well the converter when i first got choked the 521 down so i loosened it up a little. But what do i need to do to my heads

The new engine will loosen the converter even more , just run it and see where it stalls. The heads are good out of the box. Just inspect them good and install them.
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552 p-51

Post  larry552 on December 10th 2012, 7:05 pm

Ok i will me and my dad trying to figure out what we are doing wrong. I guess that cam in my 521 was just wrong and had me off
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Re: 552 p-51

Post  Gary Blair on December 13th 2012, 7:31 pm

larry552 wrote:Ok i will me and my dad trying to figure out what we are doing wrong. I guess that cam in my 521 was just wrong and had me off

16-20° spread on a 114° LC and good pushrods.
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Re: 552 p-51

Post  richter69 on December 13th 2012, 7:57 pm

yuuup on the good pushrods.......
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Re: 552 p-51

Post  Lem Evans on December 13th 2012, 8:03 pm

richter69 wrote:yuuup on the good pushrods.......

What's a "good" pushrod look like? Got any pictures?

I know you have pictures of your cat Razz

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Re: 552 p-51

Post  richter69 on December 13th 2012, 8:43 pm

railroad spike series..........





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Re: 552 p-51

Post  Lem Evans on December 14th 2012, 2:09 pm

HeRo pushrods. affraid

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Re: 552 p-51

Post  jbozzelle on December 14th 2012, 3:00 pm

More like chopsticks...

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Re: 552 p-51

Post  jbozzelle on December 14th 2012, 3:03 pm

IDT-572 wrote:The heads are good out of the box. Just inspect them good and install them.


Check the castings around the threaded holes. Mine had a little bit of loose material that I knocked off with a small rat tail file. Other than that they were good to go...

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pushrods

Post  larry552 on December 14th 2012, 3:15 pm

Hey guys i have kasse pushrods that Roger sent me and seem to work good
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pushrods

Post  larry552 on December 14th 2012, 3:17 pm

Those are nice what brand are those
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Re: 552 p-51

Post  richter69 on December 14th 2012, 5:18 pm

Trend.

you dont see the 2.300 titanium vales either but they are there............. cheers
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Re: 552 p-51

Post  IDT-572 on December 14th 2012, 5:19 pm

richter69 wrote:Trend.

you dont see the 2.300 titanium vales either but they are there............. cheers

Playa
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Re: 552 p-51

Post  bruno on December 14th 2012, 5:21 pm

jbozzelle wrote:More like chopsticks...

rebar !!!! Basketball
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Re: 552 p-51

Post  richter69 on December 14th 2012, 5:23 pm

rebar goes in the gas pedal................ Razz
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Re: 552 p-51

Post  IDT-572 on December 14th 2012, 5:24 pm

Here lately the engines coming in my shop all are showing valve float.

You don't need to skimp on the valve train, you will have a train wreck................. Twisted Evil
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Re: 552 p-51

Post  2fox on January 16th 2013, 10:28 pm

larry552 wrote:No cam is fine i slung a rod in the old combination and just wanted to have it checked and i wanted to run more on the motor hoping to run 5.80 or so and then spray it with about 250 and get to that 5.20 goal
is this 552 with 250 shot a stock type block?

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