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Old 11-30-2010, 10:14 PM   #1 (permalink)
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Default 289/302 Top End Kit

I am thinking about upgrading my engine with one of the Top End Kits from Jegs or Summit.
Has anyone used one of these before? Any suggestions or pro/cons. Here is a link to the one I am thinking of getting. Thanks
Edelbrock 2091 - Edelbrock Power Package Top-End Kits - Overview - SummitRacing.com
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Old 11-30-2010, 10:22 PM   #2 (permalink)
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you can go with a kit like that...but you could get some AFR165's, roller rockers etc for that price and make more power
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Old 11-30-2010, 10:41 PM   #3 (permalink)
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you can go with a kit like that...but you could get some AFR165's, roller rockers etc for that price and make more power
That is true but Im not a big motor guy and just want to make sure I get stuff that will work together. Do you know if anyone else puts a kit together for 289/302s?
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Old 11-30-2010, 10:42 PM   #4 (permalink)
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you can go with a kit like that...but you could get some AFR165's, roller rockers etc for that price and make more power

I would go the afr 165 route as well. a drastic boost in power w/o any worries/complications about valve size, etc. that you have with the afr 185's & larger.

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Old 11-30-2010, 10:53 PM   #5 (permalink)
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I would go the afr 165 route as well. a drastic boost in power w/o any worries/complications about valve size, etc. that you have with the afr 185's & larger.

Z.
Cool! Would you guys suggest an intake and a erratic cam to go along with the heads? I am looking for deep mean idle thats why I am looking for an erratic cam. I am running Flow Master 40s as well.
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Old 11-30-2010, 11:52 PM   #6 (permalink)
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are you running a roller motor or regular flat tappet?
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Old 11-30-2010, 11:55 PM   #7 (permalink)
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are you running a roller motor or regular flat tappet?
I am not really sure. Is there a way I could figure it out? What difference will it make?
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Old 12-01-2010, 12:45 AM   #8 (permalink)
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the roller motors would be a late model 302 85+ engines....like from mustangs, lincoln mark 7's, explorers etc
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Old 12-01-2010, 08:37 AM   #9 (permalink)
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the roller motors would be a late model 302 85+ engines....like from mustangs, lincoln mark 7's, explorers etc
I have a regular flat tappet. Any suggestions on the cam or intake?
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Old 12-01-2010, 09:46 AM   #10 (permalink)
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Auto or manual? What kind of gear are you willing to run? A little information about the car will go a long way. There are boat loads of camshafts out there, you can put the powerband where-ever you'd like. Just need to know where you want it.
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Old 12-01-2010, 11:09 AM   #11 (permalink)
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if you are going to go with a modern aluminum head with screw in rocker arm studs, such as the afr 165, then you might as well go with a solid lifter (flat tappet) cam such as the 289 Hi-Po cam, so you can take advantage of the high rpm capabilities of the afr heads. Comp cams mades two cams that make plenty of power w/o being so radical that they are not street driving friendly.

COMP Cams 31-671-4 - COMP Cams Nostalgia Plus Camshafts - Overview - SummitRacing.com

COMP Cams 31-110-3 - COMP Cams Factory Muscle Camshafts - Overview - SummitRacing.com

for a intake, Summit sells a series of edlebrok knock-offs that can save you some money:
Dual plane - 4.7L/289 - FORD - Intake Manifolds, Carbureted - SummitRacing.com

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Old 12-01-2010, 11:53 AM   #12 (permalink)
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I would put a 351W cam in it. I just built my 70 FB 302 motor and put the Windsor cam in. Changes the firing order to 1-3-7-2-6-5-4-8. I Used a Edelbrock hydraulic cam, lifter kit from summit. Part # EDL-7182 Specs are--RPM range-1800-6400, Duration@50 lift 224/234 deg int/exh., Valve lift .496 in .520 in, lobe separation 112 degrees. Sounds real good. Motor has a nice lope to it but not to much. I built another motor a few years back and put a Windsor cam in it also. Its specs were --duration 280/290, valve lift 472/496 which I believe is closer to the Hi-Po cam. The .496/520 lift cam sounds a whole lot better. Also you may ask why the windsor cam? Seems to me it just make the motor twist a little faster, sound better, being your changing the firing order around. Maybe it's just me. I also have a Edelbrock stage 2 aluminum intake with a 600 CFM carb (part # EDL-1406) Have some earlier model cast small CC heads on it i ported. Wish I had the AFR-165's on it like suggested above. That would make a nice top end. I am running a 4-speed with 4.11 gears. As you know in the end it is your decision what you go with.

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Old 12-01-2010, 11:59 AM   #13 (permalink)
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If it were me, I'd get the TFS Twisted Wedge 170s instead of the AFRs. Because of the updated design, you get the benefit of the larger valves, without having to worry about piston/valve clearance. They're a better design than the old inline, stock style heads IMO, and they will give you more room to grow than the AFRs 165s, if you decide to do more mods later.
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Old 12-01-2010, 02:13 PM   #14 (permalink)
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I don't think you are going to get a good recommendation without a lot more info.

Current short block?
HP goals?
budget?
tranny?
gears?

The kit you listed didn't include valve cover, rockers or the hardened pushrods required for guidplates and stud mount rockers.
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Old 12-01-2010, 02:39 PM   #15 (permalink)
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Quote:
Originally Posted by bighead View Post
I am thinking about upgrading my engine with one of the Top End Kits from Jegs or Summit.
Has anyone used one of these before? Any suggestions or pro/cons. Here is a link to the one I am thinking of getting. Thanks
Edelbrock 2091 - Edelbrock Power Package Top-End Kits - Overview - SummitRacing.com
I'm just curious what the spec's are on the cam in the kit. Looked at the kit and didn't see any detailed information on it.
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