# 91 305 engine ?

**URL:** <https://forums.speedlife.net/t/91-305-engine/189411>\
**Category:** PittSpeed Automotive\
**Created:** [April 20, 2007, 2:45pm UTC](https://forums.speedlife.net/t/91-305-engine/189411 "2007-04-20T14:45:13Z")\
**Posts on this page:** 1\
**Showing post:** 5

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**Author:** ![tom\_vito](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/tom_vito/32/6000_2.png) [@tom\_vito](https://forums.speedlife.net/u/tom_vito)\
**Post date:** [April 20, 2007, 3:26pm UTC](https://forums.speedlife.net/t/91-305-engine/189411/5 "2007-04-20T15:26:03Z")

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> [@13005TEDGP\>\*neonglh-Roll](https://forums.speedlife.net/t/13005tedgp-neonglh-roll/29589/18):
>
> I believe you need the Edelbrock 2104 for a 86-92 SBC. They changed the angle on the center intake bolts.
> 
> [http://store.summitracing.com/partdetail.asp?part=EDL-2104&autoview=sku](http://store.summitracing.com/partdetail.asp?part=EDL%2D2104&autoview=sku)

Same as I thought. What if he would use a set of older style heads?

Doesn’t the 2nd gen blocks flow water in reverse? Would that be an issue with the older heads?

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