Completed 89 IROC Build
10-27-2019, 09:44 PM
#1
Completed 89 IROC Build
Some pictures of my build, 89 Iroc Five speed 373 Gears 305 stroked to 334. All California Smog Legal. I kept the complete drivetrain all original to the car.
10-27-2019, 09:56 PM
#2
Junior Member
Re: Completed 89 IROC Build
Wow, super clean, congrats!! More details on the engine would be great.
10-27-2019, 09:56 PM
#3
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Car: 1989 IROC-Z. Original owner
Engine: LB9. Dual Cats. Big Cam
Transmission: World Class T-5
Axle/Gears: BW 3.45
Re: Completed 89 IROC Build
Very nice work, Ken! I love the idea of a stroked 305. I'll give a closer look at MCACN.
10-27-2019, 10:10 PM
#4
Re: Completed 89 IROC Build
1620 Grams Internal Balanced 3.750 Stroke
Airflow through complete induction system @.500Lift 210CFM @28" Air Speed FT/SEC 300
Crane 214-220 112 482 496 lift/after 1.6 rockers in at 108 #2032
Trick flow 170 Heads
Edelbrock fully ported lower with EGR
SLP Runners
Ported GM Upper
52MM Throttle body
22LB Bosh Injectors
Hooker shorty Headers
10-27-2019, 11:15 PM
#5
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Car: 88 T/A, 91 Formula, 94 Firehawk
Engine: 400 Pontiac, 5.0 TPI, 5.7 LT1
Transmission: 700R4, T5, T56
Axle/Gears: 4.10, 3.42, 3.42
Re: Completed 89 IROC Build
This is one very clean ride you have! Great job and love the attention to detail! Those wheels and that blue are killer together!
10-28-2019, 08:52 AM
#6
Junior Member
Re: Completed 89 IROC Build
9.5to1 Compression, Bored with Torque plate and Plateau finish hone
1620 Grams Internal Balanced 3.750 Stroke
Airflow through complete induction system @.500Lift 210CFM @28" Air Speed FT/SEC 300
Crane 214-220 112 482 496 lift/after 1.6 rockers in at 108 #2032
Trick flow 170 Heads
Edelbrock fully ported lower with EGR
SLP Runners
Ported GM Upper
52MM Throttle body
22LB Bosh Injectors
Hooker shorty Headers
1620 Grams Internal Balanced 3.750 Stroke
Airflow through complete induction system @.500Lift 210CFM @28" Air Speed FT/SEC 300
Crane 214-220 112 482 496 lift/after 1.6 rockers in at 108 #2032
Trick flow 170 Heads
Edelbrock fully ported lower with EGR
SLP Runners
Ported GM Upper
52MM Throttle body
22LB Bosh Injectors
Hooker shorty Headers
10-28-2019, 09:05 AM
#7
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Join Date: Feb 2017
Location: Oakville, Ontario
Posts: 609
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Car: 1991 GTA T-Top / 2014 Mustang GT
Engine: 5L TPI
Transmission: WCT5
Axle/Gears: 3.42
Re: Completed 89 IROC Build
Beautiful build, and impressive numbers from that 305! What kind of rims are those? They look perfect on your car.
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10-28-2019, 11:59 AM
#8
Junior Member
Re: Completed 89 IROC Build
Ken, just visited your web page, you guys do some impressive builds! http://www.mascarauto.com/ Is the IROC for personal use or a customer car??
10-28-2019, 12:13 PM
#9
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Car: 1989 IROC-Z. Original owner
Engine: LB9. Dual Cats. Big Cam
Transmission: World Class T-5
Axle/Gears: BW 3.45
Re: Completed 89 IROC Build
Side story on this car.
I have a friend who at the time was looking for a blue, 5 speed, t-top IROC. Someone I know on TGO, texted me this car's CL ad, since it was fairly local to me. I figured I'd wait the 2 days to get home before talking to my friend about it. By the time I got home, Ken had already bought it. Small world!
I have a friend who at the time was looking for a blue, 5 speed, t-top IROC. Someone I know on TGO, texted me this car's CL ad, since it was fairly local to me. I figured I'd wait the 2 days to get home before talking to my friend about it. By the time I got home, Ken had already bought it. Small world!
10-28-2019, 01:00 PM
#10
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Car: 89 Firebird
Engine: 355 TBI
Transmission: 700R4
Axle/Gears: 10 Bolt.Posi-3.73s
Re: Completed 89 IROC Build
Awesome build and I love you kept it TPI with all the rage off LS engines these days.
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10-29-2019, 08:05 PM
#14
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Car: 1989-92 FORMULA350 305 92 Hawkclone
Engine: 4++,350 & 305 CIs
Transmission: 700R4 4800 vig 18th700R4 t56 ZF6 T5
Axle/Gears: 3.70 9"ford alum chunk,dana44,9bolt
Re: Completed 89 IROC Build
What an outstanding job top to bottom. wow Enjoy it!
10-29-2019, 11:15 PM
#15
Re: Completed 89 IROC Build
Thanks for the compliments. I put about 200 miles on her and she is really fun to drive. Kevin is going to tune her on the chassis dyno this Saturday.
10-29-2019, 11:17 PM
#16
Re: Completed 89 IROC Build
Side story on this car.
I have a friend who at the time was looking for a blue, 5 speed, t-top IROC. Someone I know on TGO, texted me this car's CL ad, since it was fairly local to me. I figured I'd wait the 2 days to get home before talking to my friend about it. By the time I got home, Ken had already bought it. Small world!
I have a friend who at the time was looking for a blue, 5 speed, t-top IROC. Someone I know on TGO, texted me this car's CL ad, since it was fairly local to me. I figured I'd wait the 2 days to get home before talking to my friend about it. By the time I got home, Ken had already bought it. Small world!
10-30-2019, 12:12 AM
#18
Re: Completed 89 IROC Build
I Had a 83 HO L69 Red 5 Speed , It was a Ex showroom stock car from a GM engineer with the Red Camaro Camaro seats, back in 1984.. Then in 1990 I built this Super Stocker. These two cars made me fall in love with the Thirdgens. So I am glad to have one back in my hands..
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12-09-2019, 12:04 PM
#20
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Car: 1989 IROC-Z. Original owner
Engine: LB9. Dual Cats. Big Cam
Transmission: World Class T-5
Axle/Gears: BW 3.45
Re: Completed 89 IROC Build
I looked for the car at MCACN. What happened?
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