This is part 3 of the 1989 Camaro RS TBI build up. This episode has Guldstrand build the suspension to give the car .97g handling on 16″ rubber.
Enjoy!
Archive for March, 2011
This is part 2 of the 1989 Camaro RS TBI build up. This episode has Traco build the engine to add 89hp to the power peak and drops the 1/4 mile to 14.27 at 96.6mph.
Enjoy!
This article is for all the TBI Third Geners out there: a build up of a 1989 305 TBI car into a 1/4 mile and road race machine. This installment goes through bolt ons like a flowmaster muffler, dual snorkel intake, rear gear & posi change, and a new set of shoes.
Enjoy!
31
Mar
11
Hot Pipes – Car Craft April 1989
The article below was published in the April 1989 issue of car Craft. The test covers the effect of increased power on an L98 TPI engine by replacing the stock exhaust manifolds and y-pipe with the SLP Tri-Y headers and also the Turbo City y-pipe.
Enjoy!
This article was published in the July 1987 issue of Car Craft magazine. It details the effect of two different exhaust systems on the Third Gen LG4 engines and what performance gains they experienced. The Edelbrock TES dropped 0.7s off the car’s 0 to 60mph time, the Banks system added 22 RWHP uing a butchered stock cat (dropped 0 to 70mph by 0.93s).
Enjoy!
31
Mar
11
Budget Bird – PHR June 1987
This article is from the June 1987 Popular Hot Rodding that shows a bolt-on parts impact on a (new) 1987 LG4 Firebird Formula. The article shows the impact in both power (RWHP) and also the 1/4 mile performance of Edelbrock tubular headers, 3″ cat, stock TPI exhaust, Performer 3701 EGR intake manifold, and a custom cold air kit. The car picked up 48 hp at 4500rpm and gave a 1/4 mile performance of -1.28s and added 8.4mph!
Enjoy!
Popular Hot Rodding had an article in June 1990 highlighting Turbo City’s TPI performance system. The kit included a new y-pipe, cat back flowmaster exhaust, K&N air filters, underdrive pulleys, spark plug wires, PROM, and a TPI air foil. While they did not give specifics, the test car, a 1989 5.0TPI convertible with a T5 ran low 14’s with the kit, apparently over a 1 second reduction in ET.
Enjoy!
31
Mar
11
Booster Shot – Hot Rod July 1988
Hot Rod magazine did an article about Paxton Superchargers for the Third Gen cars, covering both the 5.7 TPI and also the V6. The 1988 L98 IROC went 14.90 at 90mph stock to 13.94 at 99.69mph with the Paxton. The 1988 RS went from 19’s (ouch!) to high 16’s with the V6 kit. The 1988 L98 GTA went from a 15.0 at 91mph stock to a 13.67 at 102mph.
Enjoy!
Hot Rod ran this article on the introduction of Street Legal Performance’s (SLP) product line for the TPI powered F-Bodies. Note this article was run in mid 1988 when no one was digging into the TPI motors to make more power.
Quick rundown – with the SLP parts (runners, headers, PROM, exhaust, and cold air intake), power on a 1988 L98 F-Body went up 16lb-ft of TQ at 3600rpm (321 vs 305) and 21hp at 4400rpm (245 vs 224) and increased the hp gain from peak to redline by 50hp! (238 vs 188). The test car ran 14.93 at 93.45mph stock and 14.09 at 99.44mph with the SLP package and the optional oil pan – a decrease of 0.84s and a trap speed increase of 5.99mph. The car also picked up 2.1mpg.
Enjoy!
All Chevy featured an article in the February 1990 issue highlighting Street Legal Performance’s (SLP) TPI parts and two of their test bed IROCs.
Enjoy!
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