whats the better engine, 3.9 v belt engine or 4.0 grms??

norseman

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3,259

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Essex - UK

• Jan 30, 2015

• #21

cooltide said:

3.5 is the safest. Then you just need to arp the heads and add nitrous to make up the defecit

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A LR mechanic mate stroked his to 4.3 (think the parts came from 'Real Steel') it pulled like a train but he gave it too much stick when towing & blew the A pack on the ZF

 

norseman

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3,259

Location

Essex - UK

• Jan 30, 2015

• #22

cooltide said:

Hence my paranoia but this is just my opinion.

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Play safe, stay paranoid

 

zen

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london

• Feb 2, 2015

• #23

gems..bigger as mentioned crank and more main bolts..better oil pump.(i think)..ie my 4.6..gems engine NEVER drops below 45psi..maxs out at 55..