Hopping up the 500 Cadillac
Crashfarmer (Talk | contribs) |
Crashfarmer (Talk | contribs) |
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Many things were learned about what to use, what works and what doesn’t after MANY DYNO pulls. | Many things were learned about what to use, what works and what doesn’t after MANY DYNO pulls. | ||
| − | # The crankshaft can be offset ground .300 smaller to the same size as a big block chevy | + | #The crankshaft can be offset ground .300 smaller to the same size as a big block chevy |
Which yields a 35 cubic inch increase. Coupled with a slight overbore you now have 540 | Which yields a 35 cubic inch increase. Coupled with a slight overbore you now have 540 | ||
Cubic inches. This does not affect longevity but does increase Torque. Horsepower does NOT really increase. | Cubic inches. This does not affect longevity but does increase Torque. Horsepower does NOT really increase. | ||
| − | # When this is done you can use 6.800 H-beam chevy rods which are MUCH stronger and very affordably priced. | + | #When this is done you can use 6.800 H-beam chevy rods which are MUCH stronger and very affordably priced. |
Cadillac rods will fail above 5000 rpm. | Cadillac rods will fail above 5000 rpm. | ||
| − | # While 1974-76 large chamber heads can be used, there is a substantial power increase to be had with | + | #While 1974-76 large chamber heads can be used, there is a substantial power increase to be had with |
1968-1972 small chamber heads if they are fitted with 2.19-1.84 chevy valves. Small chamber heads | 1968-1972 small chamber heads if they are fitted with 2.19-1.84 chevy valves. Small chamber heads | ||
With big valves and bowl work are worth 25 hp over large chamber heads with big valves & bowl work. | With big valves and bowl work are worth 25 hp over large chamber heads with big valves & bowl work. | ||
##The BEST heads to use are the NEW Aluminum ones from MTS. When these are Fully Ported by an | ##The BEST heads to use are the NEW Aluminum ones from MTS. When these are Fully Ported by an | ||
` experienced head porter (like BPE) they are worth about 100 horsepower over a stock head of any type. | ` experienced head porter (like BPE) they are worth about 100 horsepower over a stock head of any type. | ||
| − | # The Edlebrock intake works good on a 500 inch or smaller motor if you don’t exceed 4500 rpm. | + | #The Edlebrock intake works good on a 500 inch or smaller motor if you don’t exceed 4500 rpm. |
| − | # Larger motors or those with good heads need the new single plane from MTS. Power will NOT drop off | + | #Larger motors or those with good heads need the new single plane from MTS. Power will NOT drop off |
Like the Edlebrock which are airflow limited. The Edlebrock will make more 30-40 ft lbs more torque under 3500 rpm. | Like the Edlebrock which are airflow limited. The Edlebrock will make more 30-40 ft lbs more torque under 3500 rpm. | ||
# The MTS is worth 50 ft lbs torque and 50 horsepower at 5000 rpm over the Edlebrock. | # The MTS is worth 50 ft lbs torque and 50 horsepower at 5000 rpm over the Edlebrock. | ||
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