LT1 Based Engine Tech 1993-1997 LT1/LT4 Engine Related

dart lt1 heads

Old Dec 3, 2011 | 10:20 PM
  #1  
1badasZ's Avatar
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From: Florence Mississippi
dart lt1 heads

are the dart pro 1 cylinder heads pretty good? would the 215cc ones be too much for a 383 on the street? i know most will say go with ported stockers but I'm exploring my options and these are affordable as i may be able to get a deal on them. another question is how are street manners with a single plane conversion? would it sacrifice drivability or does it even play a big part in that?
Old Dec 6, 2011 | 03:57 PM
  #2  
Z28SORR's Avatar
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Re: dart lt1 heads

Yes!
The 215's are not, to big, for a 383 as long as you have "matched" the other components.
Don't know, but generally you will loose torgue(bottom end) with a single plane manifold. This is really personal preference.
Old Dec 6, 2011 | 04:17 PM
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Re: dart lt1 heads

See sig for what ported stockers and the stock manifold is capable of.
Old Dec 6, 2011 | 05:23 PM
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Kevin Blown 95 TA's Avatar
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Re: dart lt1 heads

Originally Posted by RamAir95TA
See sig for what ported stockers and the stock manifold is capable of.
What cam Joe?
Old Dec 6, 2011 | 08:36 PM
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Re: dart lt1 heads

im on ported stockers and stock manifold first run out with new motor was 11.15 @122 dyno tuned @426 rwhp it was my best pass of the day
3320lbs
trans shifting too low into 3rd gear (must be in the tune )
stock rear suspension except lca' and relocation brackets
Old Dec 7, 2011 | 10:20 AM
  #6  
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Re: dart lt1 heads

Originally Posted by Kevin Blown 95 TA
What cam Joe?
It's a 237/242, .604"/.598" on a 108 lobe. Not over the top and it has superb street manners.
Old Dec 7, 2011 | 06:35 PM
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1badasZ's Avatar
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Re: dart lt1 heads

Originally Posted by red 95 z28 lt1
im on ported stockers and stock manifold first run out with new motor was 11.15 @122 dyno tuned @426 rwhp it was my best pass of the day
3320lbs
trans shifting too low into 3rd gear (must be in the tune )
stock rear suspension except lca' and relocation brackets
Who did your porting?
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