Ok is the Cam that was in the 305 tpi 5 speed the same cam as the 350? I have the peanut cam in my auto and I found one for cheap. Will it work the cam is out of an 88 350 TPI?

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87 Z28 305 TPI, Auto, 2.77, Gutted air boxes, K & N fillters, SLP Airfoil, Dyno Max 3" cat back, Accel 8.8 mm spirals, Accel cap and rotor, Accel coil, rapid fires, and 160 Stat.
Best 15.414 @ 87.47.

 

i'm guessing the 350 is the L98. at any rate the 305 and L98 use differant cams. they both should be hydrolic roller cams so they'll fit and work. the L98 cam isn't anything great as far as preformance goes. in a 305 the l98 cam may be a bit more than in the 350. if it's cheap it may be worth swapping it in to your engine.

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ICON Motorsports
1st & 3rd

 

Yes it is out of L98 and my mine is LB9 auto, is the part # of the L98 and LB9 5 speed the same? Becuase the 5 speed is rated at 30 HP higher than mine.

 

New,

Yes, in some years the 305 TPI manuals and 350 TPI autos both got the same camshaft part number. Namely, those were 1988 through 1992.

The 1988-89 specs are as follows:

305 5spd / 350 AT P/N 10066049, .415/.430" - 207/213° - 117.0° LSA (116/-118)

In 1990-92, only the G92 305s got the better cam, along with the 350s. Specs are:

305 G92 5spd / 350 AT P/N 10111773, .413/.428" - 202/207° - 114.5° LSA (116/-116)

The 1990-92 "regular 305 TPI 5-speeds got the same cam grind as the autos. Specs are:

305 5spd / 305 AT P/N 10088155, .350/.384" - 179/194° - 109.0° LSA (108/-112)

Incidentally, your 1987 305 5-speed should have a fairly respectable cam profile

305 5spd / 350 AT P/N 14093643, .404/.415" - 202/207° - 114.5° LSA (115/-114)

It is certainly better than the automatic with the "LA" cam (or some say "peanut"). The gains you will realize from the swap will probably not be worth the effort, since the profiles are not significantly different. An aftermarket cam might be worth the extra few dollars, since the power differential can be a lot greater.

In any case, if you decide to swap for the few extra degrees, the cam should fit and work just fine in your engine, since they should both be factory hydraulic rollers. I would advise a new timing chain set designed for the G92 engine to assure correct valve timing. If you are degreeing the cam with a wheel/indicator, you can forgo the special timing set and drill wherever you need for the dowel.

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Later,
Vader
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"No matter how hard you try you can't stop us now"
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New,

BTW - what ever happened from your no-start condition? Did you see Joe or figure it out on your own?

If you want a used-but-nice LT1 cam (roller, of course) I've got a spare or two around that you could have. You know where I'm at.

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Later,
Vader
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"No matter how hard you try you can't stop us now"
Adobe Acrobat Reader 4.0

 

Vader, it endup being the pick up coil. The thing was a big ball of rust. Right now I have plenum and runners off porting and polishing them. About a week or two from tring to start it.