Are 6-bolt and 7-bolt cranks the same? Will 7-bolt rods fit a 6-bolt? And, is a stock crank strong enough for when we hit the big leauges?
Full Version: Question about 6-bolt
I have no desire to search the internet for the answer, haha, you guys are smart Are 6-bolt and 7-bolt cranks the same? Will 7-bolt rods fit a 6-bolt? And, is a stock crank strong enough for when we hit the big leauges?
Are 6-bolt and 7-bolt cranks the same? Will 7-bolt rods fit a 6-bolt? And, is a stock crank strong enough for when we hit the big leauges?
1. No. That's where the 6-bolt/7-bolt monicker that we use to differentiate between the two engines comes from. One crank has 6 flywheel bolt holes. One has 7.
2. Yes, but 7-bolt rods are weaker than 6-bolt rods.
3. Yes. The crank is undoubtedly the strongest part of the 4g63 engine. Forged and hardened.
2. Yes, but 7-bolt rods are weaker than 6-bolt rods.
3. Yes. The crank is undoubtedly the strongest part of the 4g63 engine. Forged and hardened.
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