#81  
Old 07-07-2021, 09:44 AM
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Mike Davis Mike Davis is offline
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I have E heads on my 66 and also on my spare engine. They have been done for years and hate to take them off as they work.
Put a 455 together for a friend and used the SM heads. Light port work, hyd cam, factory HO intake. Car runs good but is just a driver. Car is a 73 SD bird and his original heads were cracked.
I have a set when for when I retire my car back to street duty hopefully within the next year or so (depending if I can find another 65-67 body to build for a racecar).

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  #82  
Old 07-07-2021, 09:53 AM
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Quote:
Originally Posted by Mike Davis View Post
I have E heads on my 66 and also on my spare engine. They have been done for years and hate to take them off as they work.
Put a 455 together for a friend and used the SM heads. Light port work, hyd cam, factory HO intake. Car runs good but is just a driver. Car is a 73 SD bird and his original heads were cracked.
I have a set when for when I retire my car back to street duty hopefully within the next year or so (depending if I can find another 65-67 body to build for a racecar).
I have a set. I am going to clean the intake ports up and do a little work on the bowls. I am planning on putting them on my race car. It isn’t going to be anything crazy. I have a sft cam for. If I can get my 3700 lbs car in the high to mid 10’s I will be happy.

  #83  
Old 07-08-2021, 04:57 PM
grandam1979 grandam1979 is offline
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What are you using for stud girdles on the SM heads?

  #84  
Old 07-08-2021, 11:13 PM
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Any that fit the e-heads will work on the sm heads if that was what you were
asking.

GT

  #85  
Old 07-09-2021, 04:00 PM
grandam1979 grandam1979 is offline
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Quote:
Originally Posted by blueghoast View Post
Any that fit the e-heads will work on the sm heads if that was what you were
asking.

GT
That is thanks

  #86  
Old 07-09-2021, 05:26 PM
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Quote:
Originally Posted by blueghoast View Post
Any that fit the e-heads will work on the sm heads if that was what you were
asking.

GT
Have you run your car yet?

  #87  
Old 07-10-2021, 12:38 AM
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Originally Posted by dragracerx2813 View Post
Have you run your car yet?
Just the e-head motor It's in my firebird. The one in my avatar.
It's pretty bad ass, Haven't been to the track yet but will soon.
The SM head motor is in my buddy's 4-door chevell and isn't
ready yet but he is very close so as soon as I know something
I'll be posting it. His car is pretty lite we are hoping for high
9's low 10's Only the track will tell.

GT

  #88  
Old 07-10-2021, 05:28 AM
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Quote:
Originally Posted by blueghoast View Post
Just the e-head motor It's in my firebird. The one in my avatar.
It's pretty bad ass, Haven't been to the track yet but will soon.
The SM head motor is in my buddy's 4-door chevell and isn't
ready yet but he is very close so as soon as I know something
I'll be posting it. His car is pretty lite we are hoping for high
9's low 10's Only the track will tell.

GT
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  #89  
Old 07-11-2021, 05:47 PM
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Oh Yeah. I'm converting all the chevy guy's to poncho power around here. LOL

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  #90  
Old 07-31-2021, 11:27 PM
grandam1979 grandam1979 is offline
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Made it to Norwalk with the out of the box SM heads car has a bog from the carb I’m using but has gone 10.91@126 see what tomorrow brings.

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  #91  
Old 08-01-2021, 12:11 AM
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Quote:
Originally Posted by grandam1979 View Post
Made it to Norwalk with the out of the box SM heads car has a bog from the carb I’m using but has gone 10.91@126 see what tomorrow brings.
Nice! Can you share more details about the engine and/or car weight

  #92  
Old 08-01-2021, 10:07 AM
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Quote:
Originally Posted by grandam1979 View Post
Made it to Norwalk with the out of the box SM heads car has a bog from the carb I’m using but has gone 10.91@126 see what tomorrow brings.

Is that the 78 Grand Am?


What is the whole combo?


That is exactly where I would like to be with the engine for my 73 Ventura

  #93  
Old 08-01-2021, 01:57 PM
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No time runs today right to first round car went 10.93@127 but my son Jake went red -.016 still very proud first car he has drag raced faster than 18.00 1990 Bonneville his grandmother gave him back in 2007. The car is a 1992 Firebird that is a very well thought out car but not tubbed and has 28-10 slicks on it. Also me being his dad and first time with a new car I had him shift at 5500

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  #94  
Old 08-01-2021, 03:27 PM
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The engine is a 1970 455 + .060 good rods and pistons stock crank with the SM heads cam is a comp hydraulic roller .520/.540 236/242 113ls. I did use solid rollers I had on shelf. Intake is a SM Black Friday single plain I made match heads. Personally I would consider this engine a street engine at 10.7 and the little cam. Carb was the weak link this weekend I used a 800 spreadbore holley I had on shelf also. Probably not my greatest idea but I had it so I used it. Hopefully we will take it to the Pontiac race at Bunker Hill in two weeks with a improved carb setup.

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  #95  
Old 08-01-2021, 09:53 PM
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Quote:
Originally Posted by grandam1979 View Post
The engine is a 1970 455 + .060 good rods and pistons stock crank with the SM heads cam is a comp hydraulic roller .520/.540 236/242 113ls. I did use solid rollers I had on shelf. Intake is a SM Black Friday single plain I made match heads. Personally I would consider this engine a street engine at 10.7 and the little cam. Carb was the weak link this weekend I used a 800 spreadbore holley I had on shelf also. Probably not my greatest idea but I had it so I used it. Hopefully we will take it to the Pontiac race at Bunker Hill in two weeks with a improved carb setup.

Very nice combo.



Do you know what it weighs?

  #96  
Old 08-01-2021, 10:27 PM
'ol Pinion head 'ol Pinion head is offline
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Impressive.

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  #97  
Old 08-02-2021, 02:25 PM
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excellent ! thanks for update ! Good job

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  #98  
Old 08-16-2021, 08:40 AM
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Went to bunker hill on Saturday car went 6.82@100 bog is gone. Car was .2 quicker in the 1/8. Also learned the vacuum pump sucks out hardly any oil running the 1/8.

  #99  
Old 09-17-2021, 05:20 PM
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Quote:
Originally Posted by blueghoast View Post
Just the e-head motor It's in my firebird. The one in my avatar.
It's pretty bad ass, Haven't been to the track yet but will soon.
The SM head motor is in my buddy's 4-door chevell and isn't
ready yet but he is very close so as soon as I know something
I'll be posting it. His car is pretty lite we are hoping for high
9's low 10's Only the track will tell.

GT
OK-My buddies chevell with my speedmaster heads went to an 1/8 mile
track and went 106 MPH with a 1:56 60 FT. but only a 7:21 ET due to a
bit of a peddle fest. Haven't been back to the track yet but things look
promising. Can't wait and I'll be taking my firebird too. I'll let ya know.

GT

  #100  
Old 09-17-2021, 07:41 PM
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That's a good MPH. Probably low 10's in quarter.
Was he running slicks?



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