Well I read somewhere that you can use them. What kind do I need? Does someone sell a kit of 6 for the V6 engines, or do I have to buy a V8 kit? What size are the Fiero studs? Any particular brands/types I should get/look into? What kind of gains can I expect from these?

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Original Blue 87GT 5spd.
125,000 Miles, Stock 2.8L

Centerforce Dual Friction, H4 Blue headlights, Cleared Taillights, Mr. Mikes Leather, MoMo Carbon Fiber Steering Wheel, Lowered 1.5", Konig Verdict 17" Rims, Power everything, Speed Hut Gauges, Short Shifter. More Comming weekly!

Comp Cams 1.6 ratio roller tip rockers PN# 1414-12 www.compcams.com

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fierosound - 1987 GT - World of Wheels Winner
& Multiple IASCA Stereo Award Winner (click me)

I used regular 1.6 for a sbc. I had bought the kit for a 350 v-8 from summitt used them very little on the 350 then pulled them out when the 350 was rebuilt. I wound up putting them in my 2.8 but my mistake was that i followed the book when tightening them down, about a 1000 miles later one or more of my lifters collapsed.
(the book tells you to tighten them too much)

Ed

I put them on my last GT. I'd say don't waste your money unless you plan on doing alot of other mods. I noticed almost NO improvement in power with the 1.6 rockers alone.

Phil

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87 FIERO GT 2.8 5spd
0-60 in 6.8 seconds!

quote Originally posted by GTDude: I put them on my last GT. I'd say don't waste your money unless you plan on doing alot of other mods. I noticed almost NO improvement in power with the 1.6 rockers alone. Phil

GTDude is right, unless you do more like port you exhust, or some other mods that will help your engine breathe a little better, you will not notice the difference much. But on the pluse side you will be reduceing the friction by about 15% I want to say, cannot remember if that is the correct reduction rate, but none the less that reduced friction will keep your engine happy, I feel it makes for a more smoother reving engine in MHO.

I recently had my 2.8 heads cleaned, surfaced, valve job and SBC valve springs added as well as 1.6 Crane gold race full roller rockers installed with the 10mm to 3/8ths adapter studs. They worked great! I felt noticable power in the top end and the car picked up some extra RPM on the top. I also made a custom set of "tall" fiero valve covers to clear the added height of the roller rockers. Money well spent! Too bad I am in the process of installing a 4.9 into my car now. I spent about $800 total and only used the heads for 2 weeks before I started my swap.

Steven

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88 Fiero coupe 2.5 5 speed, Custom IHI RHB6 turbo equipped, gutted and track abused
88 Coupe Project "F-88" has begun....Classified TOP SECRET **your gonna love this**
88 Fiero Coupe 2.5/auto Not sure what I am going to do to this one!
87 Fiero GT 14.9/ 89mph **4.9 PFI swap in progress**
87 Fiero Coupe 91k miles
86 Fiero SE
88 Mazda RX-7 'vert SBC v8 383/T-5
Always have engines, fiero parts and accessories for sale. Custom engine swaps and chassis modifications are available.