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when I get mine fetted with I'm getting top hat liners put in so going to have no worries. So long as your cooling system is actually doing its job and everything is working as it should the engine should be fine.

So what block do you have?

They are significantly more prone to liner problems but not every block will develops it particularly those with lambda sensors and or LPG

Rpi :(

thats not really true - not all 94mm bore blocks have liner/headgasket problems. You are sticking with a 3.5 cause you can't afford to change it lol

500 too big for the 3.5 really - will loose low down in expense for high up. not good for a big heavy brick lol

3.9 is basically a 3.5 cam with 2 degrees of advance not worth while fitting. if you want to do the head work yourself check out this thread The V8 Owners Forum - :: View topic - DIY head porting

Stage 1 Cylinder Heads - V8 Tuner £600 including VAT a pair peter burgess econotune heads are £734 including VAT a pair both are approx the same spec blended valve throats, standard ports, 3 angle valve seats approx 30hp increase on a 3.5 if you go further with the head work...

with your carb 3.5 you might want to consider the Oselli RV8255 cam

econotune heads are around 680 I think

get a set of Peter burgess econotune heads. will give you around 30hp. more expensive than a cam but better power gains.

a 3.9 with carbs going to make more than 100hp lol

heads are the cheapest way to more power with the RV8 - get a nice exhaust system to make it sound better and make sure the carb is well tuned

turbos are a bit different to N/A engines

best thing to do would be to get a set of stage 1 heads from v8tuner. this would liberate about 30hp and cost under 1k fitted

1600 for the heads 1000 for the stroker kit 200 for the cam 800 for labour never said it would be cheap lol you'd need to do heads and cam to get 200 out of the 3.5 plus 390cfm carm and inlet manifold is going to set you back £800 for heads, £200 for cam, £800 ish for carb.

late 3.9 & 4.2s have 10 bolt heads - even on 14 bolts you just don't torque the outer row down too much. 200hp from a 3.5 is possible but just make sure you don't go too wild with the heads as the 3.5 can't flow fast enough. my recomendation would be to get a 4.3 stroker kit fitted with...

I'd not use them

fair enough if you want to put shiny stuff in your engine bay - I don't see the point though

is the top hose noticeble when you are driving lol