The dash
The 1973 Chevy 350 engine ( that I completely rebuilt )
The swap
The exhaust
Click on the button below to access the best forum on the internet dedicated only to the Chevy Astro and GMC Safari minivan
So you ask, "Why stuff a 350 V8 into a minivan?"

I'm glad you asked. First of all I have nearly 300 horsepower at my disposal and get over 19 MPG on the highway... only 2 MPG less than the 4.3 litre V6 that came out of it.

Basic items you need for an Astro/Safari V8 swap:
- Special V8 motor mounts (I would suggest Racecraft Conversions)
- TBI, Distributor, and 1227747 ECM from a 1988-1992 350-powered V8 Chevy truck*
- Hedman 68600 "shorty" headers work great, but a custom Y-pipe is needed
- NO modification is required on the doghouse (interior engine cover) or radiator, but        modification IS required on the fan shroud. The V8's fan is shifted a little to the right.

* 1993 and newer Astro/Safari vans have a different wiring harness and will not be this easy.
Basically try to get a 1988-1992 Astro/Safari, and a donor 350 V8 truck or full size van of the same year.

NOTE - I ran into serious problems using my "pre-1987" engine with the front accessory bracket.
Notice there is only one hole on the right head. THREE were needed. Use a 1987 or newer engine and you'll be fine.
Don't forget that LT-1 and LS-1 engines are different "monsters" and will require loads of extra work when swapping.

This is MUCH easier than a 350 swap into a Chevy S-10.
This page was last updated on: June 14, 2019
Intake manifold and headers pictured were NOT used

* Summit Racing Camshaft
    Advertised duration: 262 intake/272 exhaust
    Duration at .050 in. cam lift: 204 intake/214 exhaust
    Gross valve lift: .420 in. intake/.442 in. exhaust
    Lobe separation: 112 degrees
    RPM range: 1,500 to 4,000

Hedman 68600 Headers
  Custom Y-pipe into a high-flow catalytic converter, Summit performance muffler, then dual 3-inch out

*  Racecraft Conversions Engine Mounts

*  Stock 350 TBI
*  ADS Superchip

*  TransGo Shift Kit from KDS Performance
WOW, what a difference!!!
Click on the button below to access the best Chevy magazine online
Click here to see a 502 Chevy big block-powered Boss Hoss motorcycle
Click here to read the most important text on the internet
Click on the button below to listen to my exhaust
This is me teaching an Air Force sport bike class
Click here to see a 572 Chevy big block-powered Boss Hoss motorcycle with NITRUS
Gone but not forgotten...