I know they say you're not supposed to because you'll use low end torque. Is this the only side effect? How significant is the loss? I only ask because I'm looking into getting a full exhaust, but I know sometime in the future I'll be building a 385 (already have the machined block), so I'm trying to figure out if I can just buy the 1 3/4" headers so I can just use them when he motor is done. I don't really see he motor being done until a year from now or so unless I come into some money, so I'm not sure if I should just get the 1 5/8" headers then get bigger ones when the motor is done or what? Please advise. Thanks.

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'89 Camaro RS 6cyl. auto, don't know how much longer I'll have it.
'90 Iroc TPI 305, 5 spd B&M Ripper shifter, hopefully I can rob a bank or something and get more
www.geocities.com/irocnroll90

 

Everyone on this board that has done the SLP 1-3/4 on a 305 have never said a bad word about it.

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-Tas
'89 Formula WS-6 made in Van Nuys, CA, U.S.A.

305, TBI, 700R4, P.A.W. 14x3 open element with K&N, Milodon 160* thermo, functional Formula hood, cross-flow Flowmaster, '99z28 rear pipes and tips, Hooker 1-5/8" 50 state legal headers, Dynomax 3" I pipe (PN 44063 and 43248)
Super GRK_Taz World
F-Body Dual Exaust
EFI & Intake Options

 

The loss is hardly noticable for all the mid to upper range gain you get.

 

What?! 13/4" on a 305 thats nuts, take them off and send them to me immediately
I have heard that they are to big for a 305, but there is a guy down the street from me who has the slp 1 3/4" oh his 305 firebird in his car is pretty fast. Its got enough torque left rip up tires too, so it didnt loose all of it.

 

Cool, thanks everyone, I'm gonna go with the 1 3/4" Now I just need a few more people to get in on the GP and I'm all set

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'89 Camaro RS 6cyl. auto, don't know how much longer I'll have it.
'90 Iroc TPI 305, 5 spd B&M Ripper shifter, hopefully I can rob a bank or something and get more
www.geocities.com/irocnroll90

 

Listen 305 brethren WE HAVE TUNED PORT intakes!!!!!! *Stock* TPI IS FOR A DAM TRUCK.... trading the torque for high end power IS GREAT... YOU WILL BE VERY PLEASED!

 

Um...not all of us have TPI. But I do agree with everything else.

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ORIGINAL OWNER
92 Camaro RS, LO3, 5-spd, T-tops

Performance:
K&N Open Air Filter, Partial TBI mods, Edelbrock performer TBI intake, Fastchip Prom, Timing +4 degrees, Centerforce clutch, Xact 8mm wires, SLP 1 3/4" Headers (coated), Flowmaster Catback Exhaust, Richmond 3:42 gears, Torsen HD Posi
Sights & Sounds:
Alpine 8030 Alarm System, Valentine One Radar Detector (How did I ever drive without one?), Pioneer DEH 7450 Head Unit w/6-pack CD changer, Pioneer DEQ 7600 Sound Processor, 2 Kenwood KAC-846 Amps powering 2 12" Pro Red subs, 2 Pioneer 6x9 and 2 MTX 4x6 speakers. Spectre valve covers and accessories, Z28 grille w/aftermarket lights, MacEwen whiteface gauges
NEXT UP: the rest of the TBI mods & Suspension upgrades