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  Gen 2 Flowsheets

  • Created by: SappySE107
  • Published: 08-18-2024, 12:27 PM
  • 116 views
  • 0 comments

  Gen 2 Flowsheets

  Might be a work in progress? Lets just get started and see where it goes. 28", 3.700" bore. PAP % 100cfm +5% 200cfm +1% 300cfm +1%
  
  Starting off with the bare head, using clay to bellmouth the port inlet.
  
  
  Next we will put the intake manifolds on, with the throttle body and all vac ported blocked and untested ports taped off. This shows flow distribution between all runners.
  
  
  
  This is the comparison sheet for the middle port using...

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  Using an adjustable pushrod for lifter preload

  • Created by: SappySE107
  • Published: 07-18-2024, 12:29 AM
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  Using an adjustable pushrod for lifter preload

  Our engines use non adjustable rocker arms, so pushrod length is import to lifter preload, which is important for performance. Incorrect preload does change power on the dyno, or in extreme cases, the ability to run well or at all.
  
  There are 2 options for the adjustable pushrods, a shorter option custom made for wot-tech for use on 3100/3400/3500 LX9 engines. These measure below 5.700", which is very short for an automotive engine. The other option is a Comp pushrod that measures...

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  Gen 2 to Gen 3 Top-End Swap

  • Created by: bszopi
  • Published: 11-16-2010, 04:53 PM
  • 5 comments

  Gen 2 to Gen 3 Top-End Swap

  The 3100 and 3400 engines are called Gen 3, because they are the third generation pushrod 60V6 engines. The reason for the swap is simple. Flow and design, both of which the Gen 3 triumphs all previous generations. The iron heads don't have splayed valves, D shaped exhaust ports, or in some cases even the larger valves (1.42/1.72). The Gen 2 Aluminum head engines are the most popular to do this swap, but no matter what you start with, the same steps apply. The Gen 3 parts have D shaped exhaust po...

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  3.1L (Gen 2) Specifications

  • Created by: bszopi
  • Published: 06-15-2010, 05:25 PM
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  3.1L (Gen 2) Specifications

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  2.8L (Gen 2) Specifications

  • Created by: bszopi
  • Published: 04-21-2010, 08:18 PM
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  2.8L (Gen 2) Specifications

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