Spoon_tuned Posted June 14, 2013 Share Posted June 14, 2013 (edited) hi guys looking at buying a forged engine anybody know a quick way of telling it's actually forged? it comes with receipts but could be for a different engine cheers Edited June 19, 2013 by Spoon_tuned Quote Link to post Share on other sites
daniel_g Posted June 14, 2013 Share Posted June 14, 2013 From the outside there is no real way to tell. Get a loan of a bore scope ( somehow ) and have a look down the spark plug holes at the pistons. Possibly might be able to see the rods by looking up the oil return ?? Or through the sump plug. Quote Link to post Share on other sites
asbo-v Posted June 14, 2013 Share Posted June 14, 2013 Ask the owner just for peace of mind take the sump off? Ask the owner just for peace of mind take the sump off? And compression ? Quote Link to post Share on other sites
rinseep82 Posted June 14, 2013 Share Posted June 14, 2013 Bore scope would be the easiest way has it got a metal head gasket?? You should be able to see the head gasket between the head and block if you look carefully Quote Link to post Share on other sites
Spoon_tuned Posted June 14, 2013 Author Share Posted June 14, 2013 Thanks guys apparently it has a triple layer metal head gasket Quote Link to post Share on other sites
Spoon_tuned Posted June 16, 2013 Author Share Posted June 16, 2013 bump anyone else have any input? Quote Link to post Share on other sites
TurboTobz Posted June 17, 2013 Share Posted June 17, 2013 Best way is just to remove the sump, not any other real way other than bore scoping. I'd just have the sump off... Quote Link to post Share on other sites
Browner Posted June 17, 2013 Share Posted June 17, 2013 Compression test the car as usually any good forged pistons will be dished so will lower compression. Also drop the sump and check the rods it's only a few bolts nothing major. Look to see if the engine looks clean or freshly painted and look for fresh aftermarket sealer around the oil pump, oil filter housing etc and as the lads said check the head gasket Quote Link to post Share on other sites
Spoon_tuned Posted June 17, 2013 Author Share Posted June 17, 2013 Compression test the car as usually any good forged pistons will be dished so will lower compression. Also drop the sump and check the rods it's only a few bolts nothing major. Look to see if the engine looks clean or freshly painted and look for fresh aftermarket sealer around the oil pump, oil filter housing etc and as the lads said check the head gasketThanks alot mate im goin to view one in a car sunday. Dont think he'll let me take the sump off lol. What about a compression test? What would i be looking for on each cylinder compare to stock? Quote Link to post Share on other sites
rinseep82 Posted June 17, 2013 Share Posted June 17, 2013 Not all forged pistons are dished tho buddy ask him what pistons he put in or like said before just nip n get a bore scope lol Quote Link to post Share on other sites
Spoon_tuned Posted June 17, 2013 Author Share Posted June 17, 2013 Not all forged pistons are dished tho buddy ask him what pistons he put in or like said before just nip n get a bore scope loli wouldnt really know what i was looking for he has receipts and pictures of the build but in reality it could be someone elses car. He said its running 16psi atm but he said he can adjust it alot more to prove it. It sounds genuine Quote Link to post Share on other sites
weeman Posted June 18, 2013 Share Posted June 18, 2013 U can hear the difference when started from cold aswell if its still running in the car Quote Link to post Share on other sites
yaristurbo Posted June 18, 2013 Share Posted June 18, 2013 Piston slap from cold Quote Link to post Share on other sites
AdamB Posted June 18, 2013 Share Posted June 18, 2013 You'll only get piston slap on the Wiseco pistons, the Wossner's have a lot more silicone in them allowing them to have a tighter piston-cylinder clearence. A compression test wouldn't really tell the whole story, because it could well have low compression forged pistons, but if the head has been skimmed and it will bring the compression back upto stock. Really the best thing is to use a bore scope (although only checks pistons) or remove the sump. Wait till you get home and remove the sump and check to make sure, am sure you could get a refund as it was sold as something it wasn't. Quote Link to post Share on other sites
Addymk2 Posted June 18, 2013 Share Posted June 18, 2013 . Really the best thing is to use a bore scope (although only checks pistons) or remove the sump. Wait till you get home and remove the sump and check to make sure, am sure you could get a refund as it was sold as something it wasn't.Risky business, if the seller claims he genuinely believed it was a forged lump you won't have a leg to stand on as that's what he thought Quote Link to post Share on other sites
AdamB Posted June 18, 2013 Share Posted June 18, 2013 Risky business, if the seller claims he genuinely believed it was a forged lump you won't have a leg to stand on as that's what he thought True, throw it through his window lol. Whys it only running 16psi though? What turbo as well? Quote Link to post Share on other sites
Spoon_tuned Posted June 19, 2013 Author Share Posted June 19, 2013 True, throw it through his window lol. Whys it only running 16psi though? What turbo as well?thanks for some good info adam.The chap doesnt know he took it off his mate as a part ex. His cousin built the engine himself he has all receipts for the build etc etc he said it was running alot of power but was maxing out the injectors so he swapped the injectors for bigger ones but hasnt had it rolling roaded yet but he has a manual boost controller that hes gunna hook back up to show that it can run alot more boost he doesnt really know to much about the car Quote Link to post Share on other sites
Addymk2 Posted June 19, 2013 Share Posted June 19, 2013 Even if it is forged I wouldn't whack the boost up! For one its not mapped for that boost and secondly it's not even mapped for the injectors. Mega risky business there could end up melting something. Quote Link to post Share on other sites
AdamB Posted June 19, 2013 Share Posted June 19, 2013 It sounds too risky, especially with a manual boost control which any Tom,Dick can just wind the adjuster, not knowing a lot about the car doesn't really help either.It would only be worth a punt if you could take the sump off in my eyes. Quote Link to post Share on other sites
Addymk2 Posted June 19, 2013 Share Posted June 19, 2013 Well if your just buying the engine it's not gonna hurt to whip the sump off I suppose. Quote Link to post Share on other sites
Spoon_tuned Posted June 19, 2013 Author Share Posted June 19, 2013 Its a car i'm looking at buying guys it can run more than 16psi hes just turned it down as he wasnt using the car that much. I may even borrow a bore scope and im taking my compression tester with me. He doesnt know what turbo its running or what after market ecu but were gna check them when were there.He said any thing he hasnt mentioned or faults i find he'll knock £100 off Quote Link to post Share on other sites
DevonGT Posted June 19, 2013 Share Posted June 19, 2013 Personally i wouldn't bother mate, to many unknowns and lack of basic information. Quote Link to post Share on other sites
Spoon_tuned Posted June 19, 2013 Author Share Posted June 19, 2013 I know i keep thinking that. But he has all receipts and stuff. And photos of the build i was guna compression test it see if i can get anything from that. Or maybe lend a bore scope. He assures me its 100 % forged Quote Link to post Share on other sites
Spoon_tuned Posted June 19, 2013 Author Share Posted June 19, 2013 Quote Link to post Share on other sites
AdamB Posted June 19, 2013 Share Posted June 19, 2013 They are Wossner forged pistons mate. Quote Link to post Share on other sites
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