top end kit for 302? - Ford Mustang Forum
 
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post #1 of 10 (permalink) Old 09-26-2010 Thread Starter
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top end kit for 302?

do the hp/tq numbers sound right with this combo?
Edelbrock 2091 - Edelbrock Power Package Top-End Kits - Overview - SummitRacing.com
my goal is to be around 400hp...
if these look correct do you think it could also stand a small shot of nitrous like 50 or 75?

1973 Mustang coup:(in progress)
New ginger interior
Rebuilt 302 and c4
Flowtech headers
2.5in exaust w/flowmaster 40's

2012 chrysler 200s (DD)
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post #2 of 10 (permalink) Old 09-26-2010
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Those edelbrock kits are really good but as far as nitrous goes its all about the bottom end of the engine. Really should be forged pistons and rods if you do more than a 75 shot i would think.

1966 Mustang- "Five liter Fury"
Wimbledon white with guardsman blue stripes
Ford Racing 302 gt40 aluminum Heads, e303, Edelbrock rpm intake, edelbrock 600, All Forged, 1.6 roller rockers. 340 hp, Ford racing t5 super duty,
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post #3 of 10 (permalink) Old 09-27-2010 Thread Starter
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302 looking for 400+

what would it take to get my 1973 mustang 302 up to 400+hp?
if i do a weiand 174 blower will i need to change the internals?
anyway to do with without changing the internals?(i have a rebuilt block)
I need this to be reliable for years

1973 Mustang coup:(in progress)
New ginger interior
Rebuilt 302 and c4
Flowtech headers
2.5in exaust w/flowmaster 40's

2012 chrysler 200s (DD)
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post #4 of 10 (permalink) Old 09-27-2010
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Depends your compression ratio if you can run a blower or not.
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post #5 of 10 (permalink) Old 09-27-2010
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I just got this top end kit for my 302. Have yet to install it though.
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post #6 of 10 (permalink) Old 09-27-2010
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edelbrock.. got a holley carb too
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post #7 of 10 (permalink) Old 09-27-2010
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Quote:
Originally Posted by fasterthenev View Post
what would it take to get my 1973 mustang 302 up to 400+hp?
if i do a weiand 174 blower will i need to change the internals?
anyway to do with without changing the internals?(i have a rebuilt block)
I need this to be reliable for years
If you need it to be reliable for years build it back to stock.

1968, 302 .030 / Comp Cams Magnum 270h #31-414-3 501 lift @ .050 dur 224/224
Comp Cams Magnum Lifters and Pushrods Comp Cams 1.6 Full Roller Rockers
Edelbrock RPM heads (2.02 / 1.60) / RPM Air Gap
Holley Street Avenger 670 carb
Edelbrock 110gph Fuel Pump
Cloyes Street True Roller Timing Chain / Professional Products Harmonic Balancer
MSD Pro billet Dizzy, 6AL Box, Blaster 2 Coil
Flowtech Long Tube Headers
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post #8 of 10 (permalink) Old 09-27-2010
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Pig's right. The only way it would be reliable for years is if you did not need to depend on it. 400 hp pushes the limits of a 302. It can be done, but it's life will not be as long as a mildly built stock 302.

Ride On,
Noel

"I'll fix it or break it, Guaranteed!"
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post #9 of 10 (permalink) Old 09-27-2010
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Any power adder places a high load on the crank, rods and pistons. You should use forged, high strength, low weight components. For a blower or turbo-charger you get more out of any given boost with higher cylinder volume (not swept volume) so you start with a lower compression to get higher hp with boost. 8:1 compression is a good average for a street blower application. With a blower it can be easy to get 1.5 hp per cubic inch at rpm where it won't destroy a well prepped engine (5000 - 5500). You can do the same with a turbo but the turbo has to be carefully matched to get maximum boost from idle to full rpm like the blower provides. Both systems need an engine built from the bottom up and well matched to get the power. It is not something I would recommend for a novice to attempt on his (her) own.

1966 Coupe
351W
Top Loader
rebuilt, rewired, modified for slalom and hill climb
No racing - just a fun car built by and for me.
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400hp i would be scared of a oem block aftermaket cost more but won't blow apart as easy.
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