Vortec V6

weezer · 03-14-2010, 12:46 AM

I put a 97 4.3 liter V6 vortec and auto trans in my 89 convertible. A relatively easy, but time consuming swap, except it took a year to get the computer wired correctly. I kept the AC comp, power steering pump and alternator from the chevy. Had to move the compressor a few inches to get the hood to close. Also cut a hole in the hood and install a fake air scoop to get clearance above the throttle body air intake. I love the low end torque. The non-turbo rotary had an auto tranny and was a dog off the line. will be glad to give more info if anyone wants.

SouthSideSlider · 04-15-2010, 10:03 AM

pics please

NoDOHC · 09-21-2010, 10:22 PM

I have seen this done before, A nice clean swap, the 4.3 can look very nice in an RX7. I think the Vortec 4.3 made 260 lb-ft of torque which is a significant step up from the 200 lb-ft that my NA rotary makes.

What kind of fuel mileage do you get?

9krpmrx8 · 09-22-2010, 09:41 AM

Pics.

RotorDad · 10-04-2010, 01:38 AM

Yes where are the pics of your swap, I would like to see how it turned out.

03-14-2010, 12:46 AM	#1
weezer The Newbie Join Date: Mar 2010 Location: wichita, ks Posts: 5 Rep Power: 0	Vortec V6 I put a 97 4.3 liter V6 vortec and auto trans in my 89 convertible. A relatively easy, but time consuming swap, except it took a year to get the computer wired correctly. I kept the AC comp, power steering pump and alternator from the chevy. Had to move the compressor a few inches to get the hood to close. Also cut a hole in the hood and install a fake air scoop to get clearance above the throttle body air intake. I love the low end torque. The non-turbo rotary had an auto tranny and was a dog off the line. will be glad to give more info if anyone wants.

04-15-2010, 10:03 AM	#2
SouthSideSlider Rotary Fan in Training Join Date: Aug 2008 Location: Goose Creek/Summerville Posts: 60 Rep Power: 17	pics please __________________ 2000 Acura Integra GS: daily driver 1990 Mazda RX-7 GTU: parts car. 1986 Mazda RX-7 base: under the knife.(no sunroof!!!) 1989 Volvo 745 turbo: B230ET,19T turbo,850 Turbo injectors,HKS Manual Boost Controler,Port/Polish,Oversized valves,titanium valve springs,M-Cam,G80 locker,modded AW71 transmission.

09-21-2010, 10:22 PM	#3
NoDOHC The quest for more torque Join Date: Sep 2008 Location: Sheboygan, Wisconsin Posts: 855 Rep Power: 17	I have seen this done before, A nice clean swap, the 4.3 can look very nice in an RX7. I think the Vortec 4.3 made 260 lb-ft of torque which is a significant step up from the 200 lb-ft that my NA rotary makes. What kind of fuel mileage do you get? __________________ 1986 GXL ('87 4-port NA - Haltech E8, LS2 Coils. Defined Autoworks Headers, Dual 2.5" Exhaust (Dual Superflow, dBX mufflers) 1991 Coupe (KYB AGX Shocks, Eibach lowering springs, RB exhaust, Stock and Automatic)

09-22-2010, 09:41 AM	#4
9krpmrx8 SARX + Boosted = Win Join Date: Sep 2010 Location: San Antonio, Texas Posts: 70 Rep Power: 15	Pics. __________________

10-04-2010, 01:38 AM	#5
RotorDad Big Ugly Join Date: Apr 2009 Location: Fredericksburg, Va Posts: 591 Rep Power: 17	Yes where are the pics of your swap, I would like to see how it turned out. __________________ *Boosted Big Body On 335's* PS3 ID: Rotordad 1986 Mazda RX7 GXL - Street ported 13BT, Haltech, 62mm, ect. 2006 MazdaSpeed 6 - Eagle, Wiseco, Cobb, ect.