ive been challenging this friend of mine who has a 2001 silverado to a race, im sure it would be a good race, but would it be one i could win? he claims hes got a 350 in it, and its lowered two and a half inches on twenties. other then flows i think its pretty much stock. you can check out the sig for the stuff on my car, while i havent taken it to the tracks ive beaten a few 5.0 gt's and a friends 86 iroc, not to mention a bunch of rs camaros.

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1987 LG4 Camaro z28

Performance
KN airfilter, flowmaster 80 series and catco high flow converter, 180* thermostat, edelbrock performer intake

System
Panasonic CQ-DF200U deck, fosgate speakers (hpc1369, frc2246), fosgate 400a4 amp

 

2001 silverados dont come with 350's...youre friend probably has the 5.3L option. depending on the size of his truck (ext. cab, 4X4, longbed, ect.) Id say he has a good chance. I see you got the short end of the stick with the LG4...I didnt think those were still around in '87.

Oh well...good luck

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91 RS W/carbed 350, Vortec heads, performer rpm, Comp cams Xtreme energy 224/230 duration and .477/.480 lift. BFG Drag radials. 3.42 posi,Corvette servoed 700r4, 3000rpm stall converter. Edelbrock TES, 3inch cat, flowmaster with single 2.5 inch exit.
Best time yet to come
13.0 @ 107- N/A
12.5@ 117- 100HP Nitrous

This is a Pic of my car in race trim www.tbns.net/billyjay/camero.jpg

Yes I know how to spell camaro- so dont ask. I didnt make the link

 

Yeah it will be close........... but get some cheap TPI heads and port and polish the hell out of em, and then throw the LT4 cam (just because it is $160) in and youll be SO MUCH FASTER.

 

my dad has a 2000 Z71. it is the sweetest truck around. it is all black, dual 4 inch pipes out the back, leather interior, 3.73 posi. it has the 5.3 and i can say from experience that he will totally jack you off the line and since you have an lG4 he will probably smoke you top end too. i think the 5.3s have 270 horse. i can however blow his doors off. but it is still a sweet truck.

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86 IROC-Z
305 TPI
700R4 W/ shift kit
3.23 gears
T-Tops
maroon with gold stickers and rims/ black interior
43,000 miles
flowmaster exhaust, edelbrock headers, gutted airbox, converter, and MAF, K&N filters.

soon to come are 3.73 gears and subframe connecters.