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2.8 upgrades

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Old 09-19-2001, 02:15 PM   #1
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2.8 upgrades

I just recieved a 84 s-10 with the 2.8. I would like to know what performance parts ar available. It has a fairly new engine with 22k on it, and I don't really want to tear it down. Just looking for bolt ons, cam, intake manifold, headers, stuff like that. I have purchased a complete 5 speed set up for another s-10 that had the 2.5 4 cyl in it. Will that work on my truck? Thanks, Matt
Old 09-19-2001, 03:15 PM   #2
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lol i dont think a cam is a bolt on
Old 09-19-2001, 03:32 PM   #3
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Thumbs down only after removing the whold front of the engine

There is alot of stuff in the way of getting to the cam. Headers, intake,etc would be bolt on's
Old 09-19-2001, 03:37 PM   #4
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Id say, K&N, Flowmaster, exhaust system, porting and polishing, etc.

I dunno about the tranny, but if you put it in, use a quality clutch, also rear end gearing will give you more torque
Old 09-19-2001, 06:13 PM   #5
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Well I've already had to replace the timing chain on our other S-10, so to me it would be something fairly easy. Just don't know what company and what grind to go with. Also, who makes headers for the 2.8?
Old 09-19-2001, 08:19 PM   #6
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i am in the same boat, with an 82 longbed. headers are made by nearly everyone, a good set can be found fairly inexpensively.

edelbrock makes an intake mani and cam kit, or you can go to crane or engle for cams.

if you want a lot of extra top end, upgrade your valve spring and lifters, it'll let you rev about 750-1000rpm more without floating the lifters (flattening out)

mallory makes a vacuum advance distibutor for it (get rid of the computer)

the only problem you'll run into is the carb. i'm currently trying to contact rochester and weber about a 2bbl that'll bolt up to the intake mani. the lowest 4bbl you'll find is 390cfm, which is too much.

i'll keep you posted.
Old 09-23-2001, 01:19 AM   #7
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i've got a comp cam that is pretty big and should add some power. it took me 3 hours to get to my cam. not too bad for not having a clue. edlbrock makes headers for $200 at summit.
Old 09-23-2001, 01:27 AM   #8
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found a carb, may be a bit pricey, but weber's 38/38 outlaw bolt to stock manifolds, and the edelbrock has the stock style base on it, so it all should work, looking for 190-200 horses...
Old 09-23-2001, 03:53 AM   #9
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Spoonman24: Could you tell me some more about the cam you bought? Are the headers short or long tubes?

Nemesis_152: Could you tell me some more about the weber carb? Pricng? Also, what about upgrading the valve springs/lifters? Part #s maybe? The weber carb would bolt to the 2bbl edelbrock top intake right? Also, would it accept the GM Performance Parts air cleaner assembly, since it has the circle bore carb mount? Could u give me some more info about the mallory distributor, and what all I would be doing? Also, what I would need to get rid of the computer:confused:?
Thanks
Old 09-23-2001, 08:29 AM   #10
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COMPETITION CAMS CAMSHAFT SPECIFICATION SHEET

PART # 16-233-4
GRIND NUMBER: CSV-6 260H-10
ENGINE: CHEV. 60 DEGREE V-6
INTAKE EXHAUST
VALVE ADJUSTMENT HYD HYD
GROSS VALVE LIFT .440 .440
.006 TAPPET LIFT 260 260
VALVE TIMING OPEN CLOSE
AT .006 INT 24 BTDC 56 ABDC
EXH 64 BBDC 16 ATDC

the headers are shorty,, but go into a Y and down to the cat. they have plug ins for the air pump,oxygen valve etc. an easy bolt on part edl-3116 at summit. the cam is supposed to add 20-30 hp depending on mods.

Last edited by spoonman24; 09-23-2001 at 08:38 AM.
Old 09-23-2001, 11:56 AM   #11
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i'm still waiting on pricing from weber.
i'll let you know when i get it

the weber kit includes an air cleaner which is matched to the carb top. yes the carb fits the edelbrock mani, given that the edelbrock mani is the one designed for the stock carb base:
Performer 2V 60° V6 Base #3785
Performer 2V 60° V6 Top (EGR) #3787
Top Gasket (included with top) #6941
if you have EGR, which i doubt, you'll need to go with 3787

crane sells kits with the cam,lifters,springs all together, and are reasonably priced:
http://www.cranecams.com/master/apps/chevy1.htm
look hard at kit #4, that'll be your best bet (without raising compression)
if you want to go with the comp cam, call them, they can get you just springs. the lifters will come with the comp cam.

the distributor i was looking at was actaully an MSD model with mechanical advance(vacuum advance). PN 8597. unfortunately, it must be used with an MSD ignition control.

in the early 2.8s, the only thing the computer did was advance the timing as the engine revs. in order to get rid of it, all you have to do is swap to mechanical advance ignition.

if you get rid of the stock carb, however, you must swap to the mechanical advance ignition, because of the throttle position sensor, which the weber carb does not have.

a great resource for all 60 degree v6 owners is http://www.s-series.org/htm/performance/60degree.php

hope this helps a little
Old 09-23-2001, 12:01 PM   #12
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more cam stuff, lunati is one of the best

http://www.lunaticams.com/Camshafts/Chevy1.html
Old 09-23-2001, 12:14 PM   #13
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just a warning:

when shopping for cams, make sure you look at what the RPM range is on them. if it is listed at idle-Xrpm, its a stock replacement (or near it). be carefull not to get a cam that "comes on" (becomes efficient) at too high an rpm, or it'll drive like **** around town. look for one that comes on around 1500 rpm, it'll give you the best compromise between power and drivability.
Old 09-23-2001, 02:42 PM   #14
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Spoonman24: Thanks for the info. You say the cam would make 20-30hp. I'm guessing that would be with headers, dual exhaust, new intake manifold, and larger carb right?

Nemesis_152: Thanks for the info. To get rid of the computer, could just run a full msd ignition and be done with it right? If I was to go with a Lunati cam kit#65280, would I need to bump the compresion up any? Thanks
Old 09-23-2001, 07:11 PM   #15
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i dont believe so, but if i were you, i'd call lunati and ask them directly.

662-893-0698
Old 09-23-2001, 07:14 PM   #16
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BadAss_S10_2002 i have those mods and more. i'll get a sig set up.
Old 09-23-2001, 09:13 PM   #17
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Thanks alot guys. I called lunati, and they said it'd be fine.
Old 09-25-2001, 09:16 AM   #18
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my mods

2.8 with comp cam,edlbrock headers,chip,ssm bars,edlbrock pro-flo,3 angle valve job,3/4" spacer,headjob and holley tbi.
Old 09-26-2001, 01:26 PM   #19
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carb is $400, i believe flow rate is just under 300cfm
Old 09-26-2001, 01:27 PM   #20
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perfect for a 2.8
Old 10-02-2001, 12:53 AM   #21
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Quote:
Originally posted by BadAss_S10_2002
Well I've already had to replace the timing chain on our other S-10, so to me it would be something fairly easy. Just don't know what company and what grind to go with. Also, who makes headers for the 2.8?
Edelbrock has a set.
Old 10-16-2001, 11:14 AM   #22
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here's my new cam


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