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Automotive Repair Car Troubleshooting Topics   Car Troubleshooting   Engine Troubleshooting   Engine Fault Codes   Electrical and Wiring   Transmission Problems Car Repair Topics   Car Making Noises   Car Stereo Repair   Heating or AC Issues   Motorcycles and ATVs   Tricks of the Trade   Truck Repair Advice Site Options:      Login   Sign up here! Latest Forum Post   Drive Shaft Repair I have a 2015 Chevy Traverse AWD. The fr...   2006 Toyoto Camry XLE Driver Side Electric Window Trouble Hello, Looking for a little brain help ...   Tierod end change caused some kind of leak Hello so I just took my car to the nearb...   2011 Dodge Nitro OBD scanner seems to drain battery in 10-20 minutes When I bought this car in summer 2023, a... Grounding Cable, 2017 Jeep Renegade Trailhawk The Cable that connects my negative batt... Rough Idle (Found new thing) Hi everyone. First of all sorry for bad ...     equipment hey yall. im a first year engineering st...   HELP I have a 1956 1/2 ton panel truck, 69 35...   Howdy     Just wanted to s...   ABS/Tractiob/Brake Lights on But No DTCs Hello all, Recently while driving m...

Search Auto Parts Search !987 Monte carlo Sign up here!   Email This Post Auto Repair Home>> Automotive Repair>> Car Troubleshooting Guest Anonymous Poster Mar 20, 2008, 2:10 PM Post #1 of 3 (2452 views) !987 Monte carlo Sign In Hi, me and my friend are restoreing my 1987 Monte Carlo SS. My question is, What do we have to put in the 305 h/o engine to get 300 horsepower out of it and would we need to go with a bigger transmission? that being said if we did need to go with a bigger tranny would we have to cut the body up to modify it for the new bigger transmission? Also he wants to chop a piece of the frame off, rear rail to be percise and make a new one from scratch it's only about a 5 inch piece. Is this okay> legally and car wise? Double J Veteran / Moderator Mar 20, 2008, 2:30 PM Post #2 of 3 (2448 views) Re: !987 Monte carlo Sign In Are you looking at restoring it or building a race car? To me restoring it puts it back in its original condition as from the factory...Numbers match...type thing... If your looking at getting horsepower, first if it was me...no way on the 305 CID...get a 327/350 something like that.. Older ones were even built from the factory with higher horsepower... Yes.remember if you change/add that much horsepower, the transmission is going to have to "handle" it ( torque converter stall speed as well) and the differential...what gear is in the rear end?...... If its a small gear like a 2.73,that thing will fall on its face out of the hole....it'll have great higher end power.. You'll need a bigger gear for low end "grunt".. I suggest you check with your local speed shop for whats available for what you want to do..get all your options then decide whats best for you... You can even contact places like "Summit Racing"....very good speed/performance place..can clear up all your questions better than I can here. As far as the frame goes, if its done correctly and reinforced correctly,it should be ok...not for the novice tho ...Racing guys often "box" in their frames to make them stronger..... Just letting you know that there are many variables to consider when adding that much horsepower,more than just an Engine thing.... Hope that helps you some... Tom Greenleaf Ultimate Carjunky / Moderator Mar 20, 2008, 3:17 PM Post #3 of 3 (2441 views) Re: !987 Monte carlo Sign In Thought: If you really want 300 hp and few headaches check into ready to go marine chev 350s. Whole, new engines. They come with everything but a carb and exhaust manifolds and can take a ton of abuse. I'm pretty sure 260 HP is the standard but 300 was an option for OMC and Mercruiser - perhaps Yamaha, Volvo - YES - they used Chev blocks! Automotive parts still fit but many items will be rust proof - brass or thread lined bolt holes. Most are based on like 1969-72 GM trucks, T   Email This Post   Automotive Repair     Auto Body Repair and Refinishing     Heating or AC Issues     Electrical and Wiring     Brake Systems     Car Stereo Repair Advice     General Discussions     Car Making Funny Noises     Engine Fault Codes     Engine Troubles     Exhaust Systems     Steering and Suspension     Transmission Troubles     Tricks of the Trade Automotive World     General Discussions     Antique Car Talk     Car Shows and Events     The Bargin Bin     Motor Vehicle Inspection     Car Care Tips     Traffic Tickets     Gasoline, Motor Oils, Concept Cars and Engines     Auto Insurance, Financing, Leases, Warranties Truck Repair     General Discussions     Truck Engine Repair     Truck Suspension Repair Motorcycle Repair     General Discussions     Motorcycle Engine Repair CarJunky     Open Posting     Board FAQ's     New Board Suggestions

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